| 質問 | しつもん | question; inquiry; enquiry | n5 |
| 性質 | せいしつ | nature (of a person); disposition; temperament; character | n2 |
| 質 | しつ | quality; value; nature; inherent quality | n2 |
| 物質 | ぶっしつ | material; substance; matter | n2 |
| 本質 | ほんしつ | essence; true nature; substance; reality | n2 |
| 品質 | ひんしつ | quality (of a product or a service) | n2 |
| 気質 | きしつ | disposition; temperament; nature; mentality | n1 |
| 神経質 | しんけいしつ | nervous; highly strung; sensitive; fussy | n1 |
| 実質 | じっしつ | substance; essence; substantive; substantial | n2 |
| よくある質問 | よくあるしつもん | frequently asked questions; FAQ | |
| 素質 | そしつ | makings (of); aptitude; talent; qualities | n2 |
| 体質 | たいしつ | constitution (physical); physical make-up; predisposition (to disease); disposition | n2 |
| 質素 | しっそ | simple; plain; modest; frugal | n2 |
| 質屋 | しちや | pawnshop | |
| タンパク質 | たんぱくしつ | protein | n2 |
| 特質 | とくしつ | characteristic; feature; special quality | |
| 地質 | ちしつ | geological features | n1 |
| 高品質 | こうひんしつ | high quality | |
| 上質 | じょうしつ | fine quality | |
| 悪質 | あくしつ | malicious; vicious; malignant; underhanded | |
| 質量 | しつりょう | mass; quality and quantity | n1 |
| 良質 | りょうしつ | good quality; fine quality; superior quality; high quality | n1 |
| 実質的 | じっしつてき | substantial; real (as opposed to nominal) | n1 |
| 変質 | へんしつ | alteration (of character or essence); change in quality; transformation; deterioration | n1 |
| 人質 | ひとじち | hostage | |
| 質朴 | しつぼく | simple (and honest); simple-hearted; unsophisticated | |
| 資質 | ししつ | nature; disposition; temperament; qualities | n1 |
| 質感 | しつかん | feel (of a material); texture | n1 |
| 脂質 | ししつ | lipid | n1 |
| 糖質 | とうしつ | sugariness; saccharinity; carbohydrate; schizophrenia | |
| 材質 | ざいしつ | material; material properties; quality of material; quality of wood | n2 |
| 質す | ただす | to ask (about); to inquire; to enquire; to question | n2 |
| たんぱく質 | たんぱくしつ | protein | n2 |
| 本質的 | ほんしつてき | essential; substantial; substantive; intrinsic | |
| 抗生物質 | こうせいぶっしつ | antibiotic | |
| 電解質 | でんかいしつ | electrolyte | |
| 質札 | しちふだ | pawn ticket | |
| 質問者 | しつもんしゃ | questioner; interrogator; interpellator | |
| 媒質 | ばいしつ | medium (for carrying energy waves); transmission medium | |
| 問い質す | といただす | to inquire (about); to enquire; to ask; to interrogate | |
| 画質 | がしつ | image quality (film, video, etc.) | n1 |
| 品質管理 | ひんしつかんり | quality control | |
| 琺瑯質 | ほうろうしつ | (tooth) enamel | |
| 水質 | すいしつ | water quality | n2 |
| 質的 | しつてき | qualitative | n2 |
| 質の高い | しつのたかい | high quality | |
| 質実 | しつじつ | simplicity; plainness | |
| 異質 | いしつ | different (quality, nature); heterogeneous | n1 |
| 角質 | かくしつ | keratin; corneum; cuticle; collagen | n1 |
| 音質 | おんしつ | tone quality; sound quality | |
| 肉質 | にくしつ | fleshiness; meat quality | |
| 硬質 | こうしつ | hardness; stiffness | |
| 昔気質 | むかしかたぎ | old-fashioned way of thinking; old-fashioned spirit; old-fashioned | |
| 質疑 | しつぎ | question; interpellation | n1 |
| 品質保証 | ひんしつほしょう | quality assurance; QA | |
| 木質 | もくしつ | woody; ligneous | |
| 同質 | どうしつ | same quality; same nature; homogeneous | n1 |
| 土質 | どしつ | soil; soil quality | |
| エナメル質 | エナメルしつ | (tooth) enamel; adamantine | |
| 筋肉質 | きんにくしつ | muscular; lean (of a company's operations, etc.) | |
| 紙質 | ししつ | paper quality | n1 |
| 対質 | たいしつ | questioning accused and witness together | n2 |
| 高画質 | こうがしつ | high image quality | |
| 質実剛健 | しつじつごうけん | unaffected and sincere, with fortitude and vigor (vigour) | |
| 形質 | けいしつ | (phenotypic) trait; (hereditary) character; allele | n1 |
| 天質 | てんしつ | natural talents | |
| 質疑応答 | しつぎおうとう | question and answer session | |
| 多血質 | たけつしつ | sanguine temperament | |
| 地質学 | ちしつがく | geology | |
| 玄武岩質 | げんぶがんしつ | basaltic | |
| 言質 | げんち | commitment; pledge; promise | n2 |
| 美質 | びしつ | virtue; good qualities | |
| 化学物質 | かがくぶっしつ | chemical substance; chemical | |
| 生活の質 | せいかつのしつ | quality of life; QOL | |
| 低品質 | ていひんしつ | low quality; poor quality | |
| 皮質 | ひしつ | cortex | |
| 腺病質 | せんびょうしつ | being in delicate health; scrofulosis | |
| 溶質 | ようしつ | solute | |
| 質店 | しちてん | pawnshop | |
| 放射性物質 | ほうしゃせいぶっしつ | radioactive material | |
| 稟質 | ひんしつ | inborn nature | n2 |
| 麗質 | れいしつ | genius; beauty; charm | |
| 泉質 | せんしつ | hot spring water quality; spring quality; hot spring type | |
| 軟質 | なんしつ | softness | |
| 質入れ | しちいれ | pawning; pawnage; pledging (stock, share subscription rights, etc.) | |
| 等質 | とうしつ | homogeneous | |
| 質物 | しちもつ | pawn; pledge (given as security) | |
| 物質的 | ぶっしつてき | material; physical | |
| 声質 | せいしつ | voice quality; type of voice | n2 |
| 基質 | きしつ | substrate (i.e. in biochemistry); matrix (i.e. in biology); stroma | n1 |
| 質料 | しつりょう | matter (in Aristotelianism) | n1 |
| 髪質 | かみしつ | hair type; hair quality | |
| 無機質 | むきしつ | inorganic matter; mineral matter; cold; inhuman | |
| 膠質 | こうしつ | colloid | |
| 逆質問 | ぎゃくしつもん | asking a question back (e.g. to an interviewer) | |
| 質草 | しちぐさ | article for pawning | |
| 脂質異常症 | ししついじょうしょう | dyslipidemia; hyperlipidemia; lipid abnormalities | |
| 肌質 | はだしつ | texture; feel; skin texture; skin quality | |
| 胆汁質 | たんじゅうしつ | choleric temperament | |
| 質樸 | しつぼく | simple (and honest); simple-hearted; unsophisticated | |
| 大脳皮質 | だいのうひしつ | cerebral cortex | |
| 有害物質 | ゆうがいぶっしつ | toxic substance | |
| 悪質性 | あくしつせい | malignancy; viciousness; underhandedness | |
| 入質 | にゅうしち | pawning | |
| 粘液質 | ねんえきしつ | phlegmatic temperament | |
| 蛋白質 | たんぱくしつ | protein | n2 |
| 均質 | きんしつ | homogeneous; homogeneity | n1 |
| 低糖質 | ていとうしつ | low-carb; low sugar | |
| 質流れ | しちながれ | forfeiting a pawned item; unredeemed pledge; foreclosure | |
| 象牙質 | ぞうげしつ | dentin; dentine | |
| 神経伝達物質 | しんけいでんたつぶっしつ | neurotransmitter | |
| 雪質 | ゆきしつ | snow quality; quality of snow | |
| 器質性 | きしつせい | organic | |
| 底質 | ていしつ | bottom material; bed material; sludge; sediment | |
| 物質量 | ぶっしつりょう | amount of substance | |
| 除皮質 | じょひしつ | decortication | |
| 間質性肺炎 | かんしつせいはいえん | interstitial pneumonia | |
| 体質改善 | たいしつかいぜん | improvement of one's constitution; reformation | |
| 繊維質 | せんいしつ | dietary fiber (fibre) | |
| 地質調査 | ちしつちょうさ | geological survey | |
| 原質 | げんしつ | original nature; essential quality; fundamental character; primary matter | |
| 球質 | きゅうしつ | characteristics of a (thrown) ball (light, heavy, etc.) | |
| 器質的 | きしつてき | organic | |
| 細胞質 | さいぼうしつ | cytoplasm | |
| 流質 | りゅうしち | forfeiting a pawned article | |
| 間質 | かんしつ | stroma | |
| 革質 | かくしつ | coriaceous; leathery | n1 |
| 植物質 | しょくぶつしつ | vegetable matter | |
| ガラス質 | ガラスしつ | glassy; vitreous | |
| 化学的性質 | かがくてきせいしつ | chemical property | |
| 白質 | はくしつ | white matter (e.g. in the brain); substantia alba | |
| 多孔質 | たこうしつ | porous | |
| セメント質 | セメントしつ | cementum; cement | |
| 毛質 | もうしつ | hair quality | |
| 膜質 | まくしつ | property of a film or membrane | |
| 質点 | しつてん | point mass; particle; material point | |
| 多肉質 | たにくしつ | fleshy | |
| 脚質 | きゃくしつ | running style (e.g. front runner); riding style (of a keirin cyclist) | n1 |
| 改質 | かいしつ | reforming | |
| 均質化 | きんしつか | homogenization; homogenisation | |
| 実質上 | じっしつじょう | practical; actual; de facto; in essence | |
| 地質構造 | ちしつこうぞう | geological structure | |
| 水質検査 | すいしつけんさ | water-quality test | |
| 大脳新皮質 | だいのうしんひしつ | neocortex; isocortex | |
| 質権 | しちけん | right of pledge | |
| 骨質 | こっしつ | bony tissue; bony substance | |
| 均質性 | きんしつせい | homogeneity | |
| 粘土質 | ねんどしつ | clay-like; clayey; argillaceous | |
| 副腎皮質 | ふくじんひしつ | adrenal cortex | |
| 汚染物質 | おせんぶっしつ | pollutant; contaminant | |
| 低脂質 | ていししつ | low-fat | |
| 体質的 | たいしつてき | constitutional; relating to character, structure, nature, etc. | |
| 動物質 | どうぶつしつ | animal matter | |
| 原形質 | げんけいしつ | protoplasm; plasma | |
| 木質化 | もくしつか | lignification | |
| 木質部 | もくしつぶ | woody parts (of a plant); xylem | |
| 澱粉質 | でんぷんしつ | starchiness; starchy; farinaceous | |
| 地質時代 | ちしつじだい | geological age; geological era | |
| 有毒物質 | ゆうどくぶっしつ | poisonous substance; toxic substance | |
| 水質汚濁 | すいしつおだく | water pollution | |
| 発癌物質 | はつガンぶっしつ | carcinogen; carcinogenic substance | |
| 虚弱体質 | きょじゃくたいしつ | weak constitution | |
| 黒胆汁質 | こくたんじゅうしつ | melancholic temperament | |
| 器質 | きしつ | organ property; organic mechanism; constitution | n1 |
| 質種 | しちぐさ | article for pawning | |
| 変質者 | へんしつしゃ | degenerate; pervert; deviant | |
| 人質司法 | ひとじちしほう | hostage justice; practice of keeping a suspect in police custody in an attempt to force a confession | |
| 土質力学 | どしつりきがく | soil mechanics | |
| 水質汚染 | すいしつおせん | water pollution | |
| 物質主義 | ぶっしつしゅぎ | materialism | |
| 質素倹約 | しっそけんやく | (practice of) simplicity and frugality; scrimping and saving | |
| 海洋地質学 | かいようちしつがく | submarine geology | |
| 炭質 | たんしつ | coal quality | |
| 髄質 | ずいしつ | medulla | |
| 新皮質 | しんひしつ | neocortex; neopallium | |
| 結晶質 | けっしょうしつ | crystalline material; crystalline substance | |
| 免疫物質 | めんえきぶっしつ | immune substance; immunity substance | |
| 職務質問 | しょくむしつもん | police questioning (of a suspicious person); police checkup | |
| 通信品質 | つうしんひんしつ | communication quality | |
| 不均質 | ふきんしつ | of uneven quality; heterogenous | |
| 物質界 | ぶっしつかい | material world | |
| 角質層 | かくしつそう | stratum corneum; horny layer; cornified layer | |
| 質料因 | しつりょういん | material cause (one of Aristotle's four fundamental types of answer to the question "why?") | |
| 質権者 | しちけんしゃ | person who receives a pledge; pledgee; pawnee | |
| 品質表示 | ひんしつひょうじ | statement of quality; quality labeling | |
| 地球質量 | ちきゅうしつりょう | earth mass (astronomical unit of mass) | |
| 地質年代 | ちしつねんだい | geological time | |
| 形質細胞 | けいしつさいぼう | plasma cell | |
| 発癌性物質 | はつガンせいぶっしつ | carcinogen; carcinogenic substance | |
| 核質 | かくしつ | nucleoplasm; karyoplasm | n1 |
| 乳質 | にゅうしつ | milk quality | |
| 内質 | ないしつ | endoplasm; endosarc | |
| 麩質 | ふしつ | gluten | |
| 上質紙 | じょうしつし | wood-free paper; woodfree paper; fine paper; free sheet paper | |
| 同質的 | どうしつてき | homogeneous | |
| 地質図 | ちしつず | geological map | |
| 核物質 | かくぶっしつ | nuclear material; nuclear matter | |
| 海綿質 | かいめんしつ | spongin | |
| 物質波 | ぶっしつは | matter wave | |
| 粘着質 | ねんちゃくしつ | persistent; stubborn; clingy (personality); obsessive | |
| 糖脂質 | とうししつ | glycolipid | |
| 質量数 | しつりょうすう | mass number | |
| 間質性 | かんしつせい | interstitial | |
| 乾燥質量 | かんそうしつりょう | dry mass | |
| 品質検査 | ひんしつけんさ | quality check; quality inspection | |
| 地質学者 | ちしつがくしゃ | geologist | |
| 暗黒物質 | あんこくぶっしつ | dark matter | |
| 本質主義 | ほんしつしゅぎ | essentialism | |
| 質問攻め | しつもんぜめ | barrage of questions | |
| 被告人質問 | ひこくにんしつもん | examination of the defendant | |
| 歯質 | ししつ | dentin; dentine | n1 |
| 蔓質 | つるだち | vine-like; climbing; creeping | |
| 鉱質 | こうしつ | mineral | |
| 黒質 | こくしつ | substantia nigra | |
| 侍気質 | さむらいかたぎ | samurai spirit | |
| 反物質 | はんぶっしつ | antimatter | |
| 島皮質 | とうひしつ | insular cortex; insula | |
| 憂鬱質 | ゆううつしつ | susceptibility to depression | |
| 物質論 | ぶっしつろん | materialism | |
| 白亜質 | はくあしつ | cementum; cement; chalky | |
| 石灰質 | せっかいしつ | calcareous; chalky | |
| 肺実質 | はいじっしつ | lung substance; lung parenchyma | |
| 脂肪質 | しぼうしつ | fatty | |
| 角質化 | かくしつか | keratinization | |
| 質問書 | しつもんしょ | written inquiry; written enquiry | |
| 質問状 | しつもんじょう | written question; questionnaire | |
| 人定質問 | じんていしつもん | establishing the identity of a defendant | |
| 人質事件 | ひとじちじけん | incident involving the taking of hostages; hostage situation | |
| 代謝物質 | たいしゃぶっしつ | metabolite | |
| 企業体質 | きぎょうたいしつ | corporate character; corporate culture; corporate philosophy | |
| 公益質屋 | こうえきしちや | public pawn shop | |
| 副腎髄質 | ふくじんずいしつ | adrenal medulla | |
| 劣性形質 | れっせいけいしつ | recessive trait; recessive character | |
| 品質劣化 | ひんしつれっか | quality degradation | |
| 実質所得 | じっしつしょとく | real income | |
| 形質導入 | けいしつどうにゅう | transduction | |
| 悪質商法 | あくしつしょうほう | unscrupulous business practices; fraudulent business practices; crooked business practices | |
| 映像品質 | えいぞうひんしつ | image quality; picture quality | |
| 物質代謝 | ぶっしつたいしゃ | metabolism | |
| 特異体質 | とくいたいしつ | idiosyncrasy | |
| 獲得形質 | かくとくけいしつ | acquired characteristics (as opposed to inherited) | |
| 発痛物質 | はっつうぶっしつ | algogenic substance; pain-producing substance | |
| 祖先形質 | そせんけいしつ | plesiomorphy; ancestral character | |
| 糖蛋白質 | とうタンパクしつ | glycoprotein | |
| 職人気質 | しょくにんかたぎ | spirit of a true craftsman; artisan spirit; pride in one's craft | |
| 角質肥厚 | かくしつひこう | skin thickening | |
| 財務体質 | ざいむたいしつ | financial structure; financial constitution | |
| ほうろう質 | ほうろうしつ | (tooth) enamel | |
| 高分子電解質 | こうぶんしでんかいしつ | polyelectrolyte | |
| 消化管間質腫瘍 | しょうかかんかんしつしゅよう | gastrointestinal stromal tumor (tumour); GIST | |
| 禀質 | ひんしつ | natural disposition | n2 |
| たん白質 | たんぱくしつ | protein | n2 |
| 珪質 | けいしつ | silicic; siliceous | n1 |
| 草質 | そうしつ | herbaceous | n1 |
| 軽質 | けいしつ | light (esp. in chemistry) | n1 |
| 質・量 | しつりょう | mass; quality and quantity | n1 |
| 換質 | かんしつ | obversion | |
| 毒質 | どくしつ | toxic property; toxicity | |
| 盤質 | ばんしつ | gramophone record quality | |
| 石質 | せきしつ | properties of rock; nature of stone; quality of stone; stony (e.g. meteorite) | |
| 粘質 | ねんしつ | viscous; mucilaginous | |
| 職質 | しょくしつ | police questioning (of a suspicious person); police checkup | |
| 質入 | しちいれ | pawning; pawnage; pledging (stock, share subscription rights, etc.) | |
| 質券 | しちけん | pawn ticket | |
| 質舗 | しちほ | pawnshop | |
| 転質 | てんしち | repledge (of collateral); repledging; subpledge | |
| 重質 | じゅうしつ | heavy (esp. in oil, chemistry, etc.) | |
| 高質 | こうしつ | high-quality | |
| 麸質 | ふしつ | gluten | |
| モノ質 | ものしち | taking an object hostage | |
| 上質葉 | じょうしつば | high-quality leaves (e.g. green onions, tobacco, tea) | |
| 入れ質 | いれしち | pawning | |
| 全質化 | ぜんしつか | transubstantiation | |
| 分散質 | ぶんさんしつ | dispersed phase | |
| 卵白質 | らんぱくしつ | protein | |
| 古皮質 | こひしつ | paleocortex (palaeocortex); paleopallium | |
| 完晶質 | かんしょうしつ | holocrystalline | |
| 後形質 | こうけいしつ | metaplasm (granular portion of cytoplasm) | |
| 性形質 | せいけいしつ | sexual characteristic | |
| 悪液質 | あくえきしつ | cachexia; wasting syndrome | |
| 悪質化 | あくしつか | worsening | |
| 旧皮質 | きゅうひしつ | archicortex; archipallium | |
| 染色質 | せんしょくしつ | chromatin | |
| 灰白質 | かいはくしつ | gray matter; grey matter | |
| 煙霧質 | えんむしつ | aerosol | |
| 燐脂質 | りんししつ | phospholipid | |
| 特異質 | とくいしつ | idiosyncrasy; allergy | |
| 珪長質 | けいちょうしつ | felsic | |
| 異質性 | いしつせい | heterogeneity; heterogenecity | |
| 真珠質 | しんじゅしつ | mother-of-pearl | |
| 筋形質 | きんけいしつ | sarcoplasm | |
| 糖原質 | とうげんしつ | glycogen | |
| 総質量 | そうしつりょう | total mass | |
| 膠原質 | こうげんしつ | collagen | |
| 良質紙 | りょうしつし | good quality paper | |
| 色上質 | いろじょうしつ | colored wood-free paper (coloured) | |
| 苦鉄質 | くてつしつ | mafic | |
| 言葉質 | ことばじち | a promise or pledge | |
| 質問表 | しつもんひょう | questionnaire | |
| 質悪い | たちわるい | in bad taste; problematic; of poor character | |
| 質点系 | しつてんけい | system of particles; system of material points | |
| 躁鬱質 | そううつしつ | cyclothymia | |
| 軽質油 | けいしつゆ | light crude oil | |
| 透明質 | とうめいしつ | hyaloplasm | |
| 重質油 | じゅうしつゆ | heavy oil | |
| 金属質 | きんぞくしつ | mineral matter; metallic property | |
| 鉱物質 | こうぶつしつ | mineral matter | |
| 非晶質 | ひしょうしつ | amorphous | |
| 類脂質 | るいししつ | lipoid | |
| モル質量 | モルしつりょう | molar mass | |
| リン脂質 | りんししつ | phospholipid | |
| 一般質問 | いっぱんしつもん | general interpellation | |
| 不均質性 | ふきんしつせい | heterogeneity | |
| 不変質量 | ふへんしつりょう | invariant mass | |
| 乳蛋白質 | にゅうたんぱくしつ | milk protein | |
| 伝送品質 | でんそうひんしつ | transmission quality | |
| 優性形質 | ゆうせいけいしつ | dominant character | |
| 公害物質 | こうがいぶっしつ | pollutant | |
| 分裂物質 | ぶんれつぶっしつ | fissionable materials | |
| 制癌物質 | せいがんぶっしつ | carcinostatic agent; anticancer substance | |
| 単純脂質 | たんじゅんししつ | simple lipid | |
| 可塑物質 | かそぶっしつ | plastics | |
| 同質異像 | どうしついぞう | polymorphism | |
| 名人気質 | めいじんかたぎ | artist's temperament; master's temperament | |
| 品質協会 | ひんしつきょうかい | American Society for Quality | |
| 品質評価 | ひんしつひょうか | quality evaluation; quality assessment; quality rating | |
| 商人気質 | あきんどかたぎ | mercantile mind-set; mercenary spirit; being intent on making a profit | |
| 商売気質 | しょうばいかたぎ | mercantile spirit; mercenary spirit | |
| 国民気質 | こくみんきしつ | national traits; national character | |
| 地質活動 | ちしつかつどう | tectonic activity | |
| 多孔質材 | たこうしつざい | porous material | |
| 太陽質量 | たいようしつりょう | solar mass | |
| 学生気質 | がくせいかたぎ | student temperament; students' way of thinking | |
| 実質ゼロ | じっしつゼロ | virtually zero (e.g. interest rate); effectively zero; net zero (carbon emissions) | |
| 実質賃金 | じっしつちんぎん | real wages | |
| 対立形質 | たいりつけいしつ | allelic character; allelomorphic character | |
| 当世気質 | とうせいかたぎ | the way of the world in our time; the frame of mind of the people nowadays | |
| 形質発現 | けいしつはつげん | phenotypic expression | |
| 形質転換 | けいしつてんかん | transformation | |
| 役者気質 | やくしゃかたぎ | characteristic temperament (spirit) of an actor | |
| 性質悪い | たちわるい | in bad taste; problematic; of poor character | |
| 恋愛体質 | れんあいたいしつ | predisposition for love | |
| 憂うつ質 | ゆううつしつ | susceptibility to depression | |
| 戦略物質 | せんりゃくぶっしつ | strategic materials | |
| 接触改質 | せっしょくかいしつ | catalytic reforming | |
| 換質換位 | かんしつかんい | contraposition | |
| 揮発物質 | きはつぶっしつ | volatile substance | |
| 文質彬々 | ぶんしつひんぴん | harmony of beauty and substance; (perfect) balance of looks and character; harmony of refinement and simplicity | |
| 文質彬彬 | ぶんしつひんぴん | harmony of beauty and substance; (perfect) balance of looks and character; harmony of refinement and simplicity | |
| 星間物質 | せいかんぶっしつ | interstellar matter | |
| 木質繊維 | もくしつせんい | wood fiber; wood fibre | |
| 核蛋白質 | かくたんぱくしつ | nucleoprotein | |
| 武人気質 | ぶじんかたぎ | martial spirit; military spirit; the spirit of true warriors | |
| 武士気質 | ぶしかたぎ | samurai spirit | |
| 毒性物質 | どくせいぶっしつ | toxic (poisonous) substance | |
| 流星物質 | りゅうせいぶっしつ | meteoroid | |
| 浮遊物質 | ふゆうぶっしつ | suspended solids | |
| 燐蛋白質 | りんたんぱくしつ | phosphoprotein | |
| 物質交代 | ぶっしつこうたい | substance metabolism | |
| 物質名詞 | ぶっしつめいし | material noun | |
| 物質文化 | ぶっしつぶんか | material culture | |
| 物質文明 | ぶっしつぶんめい | material civilization; material civilisation | |
| 物質特許 | ぶっしつとっきょ | substance patent | |
| 物質科学 | ぶっしつかがく | materials science | |
| 玄人気質 | くろうとかたぎ | professionalism; the temperament of a professional | |
| 珪質海綿 | けいしつかいめん | siliceous sponge (any sponge other than those of class Calcarea) | |
| 珪質砂岩 | けいしつさがん | siliceous sandstone | |
| 田舎気質 | いなかかたぎ | rusticity; provincialism | |
| 町人気質 | ちょうにんかたぎ | townsman's (independent) spirit; mercantile spirit | |
| 癒着体質 | ゆちゃくたいしつ | tendency to form collusive ties; predisposition to generate cozy (collusive) relationships | |
| 知覚品質 | ちかくひんしつ | perceived quality | |
| 硬蛋白質 | こうタンパクしつ | scleroprotein | |
| 硬質ゴム | こうしつゴム | hard rubber (e.g. ebonite, vulcanite) | |
| 硬質小麦 | こうしつこむぎ | hard wheat | |
| 硬質陶器 | こうしつとうき | ironstone china | |
| 社会病質 | しゃかいびょうしつ | sociopathy | |
| 精神病質 | せいしんびょうしつ | psychopathy; psychopathic personality | |
| 総括質問 | そうかつしつもん | general interpellation (in the Diet) | |
| 羊質虎皮 | ようしつこひ | sheep in a tiger's skin; gimcrack; showy without real worth; all show and no substance | |
| 聞き質す | ききただす | to find out the truth; to ascertain; to clarify; to confirm | |
| 色上質紙 | いろじょうしつし | colored wood-free paper (coloured) | |
| 蒲柳の質 | ほりゅうのしつ | delicate health; fragile health | |
| 蛍光物質 | けいこうぶっしつ | fluorescent substance; phosphor | |
| 裸の質量 | はだかのしつりょう | bare mass | |
| 複合脂質 | ふくごうししつ | complex lipid | |
| 角質落し | かくしつおとし | exfoliation; skin cleansing | |
| 資質英明 | ししつえいめい | wise and clear-sighted; intelligent and astute by nature; blessed with talents | |
| 質がいい | たちがいい | good-natured; of good character | |
| 質がよい | たちがいい | good-natured; of good character | |
| 質が悪い | たちがわるい | of bad character; ill-natured; nasty; vicious | |
| 質が良い | たちがいい | good-natured; of good character | |
| 質にとる | しちにとる | to take in pawn; to take as a pledge | |
| 質に取る | しちにとる | to take in pawn; to take as a pledge | |
| 質のいい | しつのいい | good-quality; superior in quality | |
| 質のよい | しつのよい | good-quality; superior in quality | |
| 質の悪い | たちのわるい | of bad character; ill-natured; nasty; vicious | |
| 質の良い | たちのよい | good-natured; of good character | |
| 質より量 | しつよりりょう | quantity over quality; quantity before quality | |
| 質問ぜめ | しつもんぜめ | barrage of questions | |
| 質問取り | しつもんとり | getting advance notice of planned Diet questions | |
| 質問時間 | しつもんじかん | question time (e.g. in parliament, diet, etc.); question period; time allowed for questions | |
| 質問用紙 | しつもんようし | questionnaire | |
| 質流れ品 | しちながれひん | unredeemed article; forfeited item | |
| 質量中心 | しつりょうちゅうしん | center of mass (centre) | |
| 質量共に | しつりょうともに | both in quality and quantity | |
| 質量欠損 | しつりょうけっそん | mass defect | |
| 赤字体質 | あかじたいしつ | disposition to operate in the red; tendency to have chronic deficits | |
| 超重質油 | ちょうじゅうしつゆ | extra heavy oil; heavy crude oil | |
| 躁うつ質 | そううつしつ | cyclothymia | |
| 軟質小麦 | なんしつこむぎ | soft wheat | |
| 軟質硝子 | なんしつガラス | soft glass (esp. soda-lime glass) | |
| 軟質磁器 | なんしつじき | soft-paste porcelain | |
| 通話品質 | つうわひんしつ | (telephone) speech quality; sound quality; call quality | |
| 運動皮質 | うんどうひしつ | motor cortex (area of the brain just anterior to the central sulcus responsible for controlling voluntary muscle activity) | |
| 重力質量 | じゅうりょくしつりょう | gravitational mass | |
| 量より質 | りょうよりしつ | quality over quantity; quality before quantity | |
| 量的形質 | りょうてきけいしつ | quantitative trait; quantitative character | |
| 間質細胞 | かんしつさいぼう | interstitial cell; stromal cell | |
| 関連質問 | かんれんしつもん | follow-up question; related question; interpellation on related matters | |
| 静止質量 | せいししつりょう | rest mass | |
| 非結晶質 | ひけっしょうしつ | amorphous | |
| ヘム蛋白質 | ヘムタンパクしつ | hemoprotein; haemoprotein | |
| リポ蛋白質 | リポたんぱくしつ | lipoprotein | |
| 催奇形物質 | さいきけいぶっしつ | teratogen | |
| 公開質問状 | こうかいしつもんじょう | open letter (of inquiry) | |
| 内部原形質 | ないぶげんけいしつ | endoplasm; endosarc | |
| 制がん物質 | せいがんぶっしつ | carcinostatic agent; anticancer substance | |
| 制ガン物質 | せいがんぶっしつ | carcinostatic agent; anticancer substance | |
| 前帯状皮質 | ぜんたいじょうひしつ | anterior cingulate cortex | |
| 前頭前皮質 | ぜんとうぜんひしつ | prefrontal cortex | |
| 単純蛋白質 | たんじゅんタンパクしつ | simple protein | |
| 可塑性物質 | かそせいぶっしつ | plastic materials | |
| 地質年代学 | ちしつねんだいがく | geochronology | |
| 大気質指標 | たいきしつしひょう | air quality index; AQI | |
| 実質利子率 | じっしつりしりつ | real rate of interest | |
| 実質GDP | じっしつジーディーピー | real GDP | |
| 形質人類学 | けいしつじんるいがく | physical anthropology | |
| 応用地質学 | おうようちしつがく | applied geology | |
| 性質が悪い | たちがわるい | of bad character; ill-natured; nasty; vicious | |
| 性質の悪い | たちのわるい | of bad character; ill-natured; nasty; vicious | |
| 悪質な広告 | あくしつなこうこく | malicious advertising | |
| 惑星間物質 | わくせいかんぶっしつ | interplanetary matter | |
| 抗酸化物質 | こうさんかぶっしつ | antioxidant | |
| 有機質肥料 | ゆうきしつひりょう | organic fertilizer | |
| 核分裂物質 | かくぶんれつぶっしつ | fissionable materials | |
| 水文地質学 | すいもんちしつがく | hydrogeology | |
| 水蒸気改質 | すいじょうきかいしつ | steam reforming | |
| 滲出性体質 | しんしゅつせいたいしつ | exudative diathesis | |
| 無機質肥料 | むきしつひりょう | inorganic fertilizer; mineral fertilizer | |
| 物質主義者 | ぶっしつしゅぎしゃ | a materialist | |
| 発がん物質 | はつガンぶっしつ | carcinogen; carcinogenic substance | |
| 発ガン物質 | はつガンぶっしつ | carcinogen; carcinogenic substance | |
| 硬質ガラス | こうしつガラス | hard glass; hardened glass | |
| 社会病質者 | しゃかいびょうしつしゃ | sociopath | |
| 粒子状物質 | りゅうしじょうぶっしつ | particulate matter | |
| 精神病質者 | せいしんびょうしつしゃ | psychopath | |
| 糖質制限食 | とうしつせいげんしょく | low-carbohydrate diet; low-carb diet; carbohydrate-restricted diet | |
| 細胞質分裂 | さいぼうしつぶんれつ | cytokinesis | |
| 細胞質基質 | さいぼうしつきしつ | cytoplasmic matrix | |
| 細胞質遺伝 | さいぼうしついでん | cytoplasmic heredity | |
| 細胞間物質 | さいぼうかんぶっしつ | intercellular substance | |
| 複合蛋白質 | ふくごうタンパクしつ | conjugated protein | |
| 角質落とし | かくしつおとし | exfoliation; skin cleansing | |
| 言質をとる | げんちをとる | to get a commitment; to exact a promise; to get someone's word; to obtain someone's pledge | |
| 言質を取る | げんちをとる | to get a commitment; to exact a promise; to get someone's word; to obtain someone's pledge | |
| 質がわるい | しつがわるい | poor-quality; low-quality; shoddy; low-grade | |
| 質に入れる | しちにいれる | to pawn; to pledge | |
| 質のわるい | しつのわるい | poor-quality; low-quality; shoddy; low-grade | |
| 質問をする | しつもんをする | to ask a question; to ask questions | |
| 質権設定者 | しちけんせっていしゃ | pledger; pledgor | |
| 質草を流す | しちぐさをながす | to forfeit a pawned article | |
| 質量ともに | しつりょうともに | both in quality and quantity | |
| 質量分析器 | しつりょうぶんせきき | mass spectrometer; mass spectrograph | |
| 質量分析法 | しつりょうぶんせきほう | mass spectrometry | |
| 超苦鉄質岩 | ちょうくてつしつがん | ultramafic rock | |
| 軟質ガラス | なんしつガラス | soft glass (esp. soda-lime glass) | |
| 農業地質学 | のうぎょうちしつがく | agricultural geology; agrogeology | |
| 過酸化脂質 | かさんかししつ | fatty acid peroxides | |
| 除皮質硬直 | じょひしつこうちょく | decorticate rigidity | |
| 非晶質固体 | ひしょうしつこたい | non-crystalline solid; amorphous solid | |
| 音楽の素質 | おんがくのそしつ | aptitude for music | |
| 高分子物質 | こうぶんしぶっしつ | (high) polymer; macromolecular substance | |
| サービス品質 | サービスひんしつ | quality of service; QOS | |
| データの品質 | データのひんしつ | data quality | |
| 中国地質大学 | ちゅうごくちしつだいがく | China University of Geosciences; CUG | |
| 乳たんぱく質 | にゅうたんぱくしつ | milk protein | |
| 乳タンパク質 | にゅうたんぱくしつ | milk protein | |
| 人質救出作戦 | ひとじちきゅうしゅつさくせん | hostage rescue operation | |
| 優先取組物質 | ゆうせんとりくみぶっしつ | substances requiring priority action (with regard to environmental issues); priority substance | |
| 前帯状回皮質 | ぜんたいじょうかいひしつ | anterior cingulate cortex | |
| 劣性遺伝形質 | れっせいいでんけいしつ | recessive trait | |
| 化学伝達物質 | かがくでんたつぶっしつ | chemical messenger | |
| 品質を落とす | ひんしつをおとす | to lower the quality | |
| 品質チェック | ひんしつチェック | quality check; quality inspection; quality assurance | |
| 品質保持期限 | ひんしつほじきげん | freshness assured through this date | |
| 品質保証協会 | ひんしつほしょうきょうかい | Society of Quality Assurance; SQA | |
| 実質国民所得 | じっしつこくみんしょとく | real national income | |
| 抗生物質耐性 | こうせいぶっしつたいせい | antibiotic resistance | |
| 日本地質学会 | にっぽんちしつがっかい | Geological Society of Japan | |
| 有害化学物質 | ゆうがいかがくぶっしつ | hazardous chemical; toxic chemical substance | |