decay

/dɪˈkeɪ/

意味: 腐敗する

例文: Philo admired how fallen leaves decay poetically.
　　  フィロは落ち葉が詩的に腐る様子に見惚れた。

言葉のよくある組み合わせ: tooth decay(虫歯), natural decay(自然崩壊), decay process(腐敗過程)

定義: 物が時間とともに壊れたり、腐ったりすること。例えば、食べ物が腐ったり、歯が虫歯になったりすることを指します。自然の中で、植物や動物の死骸が分解されることも含まれます。

decayは約100,000語に1回程度の頻出度です。

口語性、形式性、抽象度、感情度

水平グラフ: 会話での使われやすさ、フォーマル度、抽象度（具体・概念）、感情度を示します。数値が高いほど、その特徴が強いことを表します。

感情分析

レーダーチャート: 怒り、期待、嫌悪、恐れ、喜び、悲しみ、驚き、信頼、ポジティブ、ネガティブの強さを示します。

　年代別単語頻度グラフ

このグラフは、1900年からの単語出現頻度の推移を示しています。値は ×10⁻⁸ スケールで表示されています。

　

Definitions(定義)

Noun: the process of gradually becoming inferior
Noun: a gradual decrease; as of stored charge or current
Noun: the organic phenomenon of rotting
Noun: an inferior state resulting from the process of decaying
Noun: the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
Verb: lose a stored charge, magnetic flux, or current
Verb: fall into decay or ruin
Verb: undergo decay or decomposition

Parts of Speech(品詞)

Noun, Verb

Examples(例文)

感情分析に使用された例文：

Leaves begin to decay in the autumn.(葉は秋に腐り始める。)
The old house showed signs of decay.(古い家は腐敗の兆候を示していた。)
Sugar can cause tooth decay if not cleaned.(砂糖は歯の虫歯を引き起こすことがある。)

 

Word Netから抽出した例文：

Noun: the corpse was in an advanced state of decay
Noun: the house had fallen into a serious state of decay and disrepair
Verb: the particles disintegrated during the nuclear fission process
Verb: The unoccupied house started to decay
Verb: The body started to decay and needed to be cremated

Synonyms/Antonyms(類語/反意語)

Synonyms(類語): crumble, decay, decline, decompose, decomposition, dilapidate, disintegrate, disintegration, radioactive decay

Antonyms(反意語):

Hypernyms/Hyponyms(上位語/下位語)

Hypernyms (General categories)(上位語): change, change integrity, decrease, natural process, nuclear reaction, organic phenomenon, unsoundness

Coordinate Terms(同じ上位語をもつもの): abiogenesis, absorption, acetylate, acidification, adiabatic process, adjust, aeration, alkalinize, alternation of generations, americanize, annual ring, antiredeposition, ascend, assibilate, assimilate, assume, barbarize, bioelectricity, blend, boil, break, break into, break up, brutalize, burn, calcify, capacitate, capture, carbonate, caseate, catch, catch on, centrifugation, chain reaction, change by reversal, change integrity, change magnitude, change posture, change shape, change state, change surface, chemical process, chromatography, circulation, clinker, collapse, come, come in, come round, commute, complexify, concretion, concretize, condensation, condense, conjugate, convection, convert, cook, cool, crack, crash, creolize, crumble, crystallize, curdling, cure, cyclosis, damage, darken, dawn, deaden, death, decalcify, decarboxylate, decay, decline, decrepitate, deepen, defervesce, dehiscence, demagnetization, democratize, demulsify, deoxidize, desalinate, desensitization, desorption, desquamation, destabilize, develop, diapedesis, die, diffusion, digest, dim, discolor, disintegrate, disrepair, dissimilate, dissolution, dissolve, distill, distillation, divide, dominance, dress, drift, drop, dry, dull, effervescence, electrophoresis, endoergic reaction, establishment, evaporate, exfoliation, exoergic reaction, explode, extinction, extraction, facilitation, fail, fall, fall for, feedback, felt, feminize, filtration, fission, flip, flocculate, flocculation, flow, fly, fold, food chain, food pyramid, food web, form, format, formation, fossilization, foul, freshen, fusion, gasify, gel, gelatinize, gene expression, geological process, give way, glaze, go out, gradate, grow, gum, harden, hardening, have, histocompatibility, hush, hydrate, hydrolyze, ice up, inactivation, incandesce, indurate, industrialize, introject, ion exchange, ionization, ionize, isomerize, jellify, keratinize, leach, leave, liberalize, life, life cycle, lighten, liquefy, magnetization, make, materialization, mature, mellow, modernize, modify, mold, move, mutate, narrow, narrowing, normalize, nuclear reaction, obsolesce, occult, opacification, opacify, oscillation, oxidise, oxidize, oxygenation, pair production, pall, pass, pasteurize, phase change, plasticize, play out, pleomorphism, polymerize, polymorphism, precession of the equinoxes, prim, professionalize, promote, purify, radiation, recede, receive, recognition, recombine, reflate, reform, regenerate, regress, rejection, rejuvenate, rejuvenation, relax, release, reorient, repress, resume, reticulate, rise, roll, salinate, saltation, saponify, scattering, separate, sequester, sericulture, settle, sex linkage, shade, shallow, shear, shift, sink, slippage, smoothen, soak, soften, softening, solarize, solidify, sorption, source, spallation, spot, stabilize, stagnate, steepen, stiffen, stiffening, stimulation, stratify, strengthen, sublime, suburbanize, succession, suffuse, superannuate, survival, swing, synergy, synthesize, temperature change, thicken, tighten, transaminate, transduction, transform, transpiration, transpire, turn, turn on, ulcerate, undergo, undulate, vascularize, vesiculate, vitrification, vitrify, vulcanize, warm, warm up, wastage

Hyponyms (Specific examples)(下位語): alpha decay, beta decay, break, cavity, corrode, corruption, decompose, decomposition, deliquesce, deteriorate, deterioration, dilapidation, erode, exponential decay, putrefaction, putrefy, rancidity, ruin, spoil, spoilage, weather, wilt

Derivationally Related Words(派生語)

Derivationally Related Words: decadent, decay, decompose, decompositional, disintegrate, disintegration

Categories(カテゴリー)

Domain Categories: general

Usage Category: common

Usage Context: descriptive

Grammatical Notes:
transitive verb
countable noun

Prefixes/Suffixes(接頭辞/接尾辞)

Prefixes(接頭辞): de

Suffixes(接尾辞): y

Exam Level

英検準1級

Media Appearance(メディア登場例)

Books(洋書):

Movies(映画):

Other Information(その他)

Is Abstract?(抽象的な言葉?) Yes

Is Emotion Word?(感情的な言葉?) Yes

Emotion Categories: fear, negative, sadness