decay

  • 1 Decay — De*cay , n. 1. Gradual failure of health, strength, soundness, prosperity, or of any species of excellence or perfection; tendency toward dissolution or extinction; corruption; rottenness; decline; deterioration; as, the decay of the body; the… …

    The Collaborative International Dictionary of English

  • 2 decay — vb Decay, decompose, rot, putrefy, spoil, disintegrate, crumble mean to undergo or, in some cases, to cause something to undergo destructive dissolution. Decay implies change, commonly a natural and gradual change, from a state of soundness or… …

    New Dictionary of Synonyms

  • 3 decay — [dē kā′, dikā′] vi. [ME decaien < Anglo Fr & OFr decäir < VL * decadere: see DECADENCE] 1. to lose strength, soundness, health, beauty, prosperity, etc. gradually; waste away; deteriorate 2. to rot or decompose 3. to undergo radioactive… …

    English World dictionary

  • 4 Decay — De*cay , v. i. [imp. & p. p. {Decayed}; p. pr. & vb. n. {Decaying}.] [OF. decaeir, dechaer, decheoir, F. d[ e]choir, to decline, fall, become less; L. de + cadere to fall. See {Chance}.] To pass gradually from a sound, prosperous, or perfect… …

    The Collaborative International Dictionary of English

  • 5 Decay — De*cay , v. t. 1. To cause to decay; to impair. [R.] [1913 Webster] Infirmity, that decays the wise. Shak. [1913 Webster] 2. To destroy. [Obs.] Shak. [1913 Webster] …

    The Collaborative International Dictionary of English

  • 6 decay — [n] breaking down, collapse adulteration, atrophy, blight, caries, consumption, corrosion, crumbling, decadence, decline, decomposition, decrease, decrepitude, degeneracy, degeneration, depreciation, deterioration, dilapidation, disintegration,… …

    New thesaurus

  • 7 decay — I verb addle, atrophy, be reduced in worth, become enfeebled, become lower in quality, become putrescent, blight, break down, break up, canker, consume, corrode, corrupt, crumble, decline, decompose, decompound, degenerate, depreciate,… …

    Law dictionary

  • 8 decay — ► VERB 1) rot through the action of bacteria and fungi. 2) decline in quality or vigour. 3) Physics (of a radioactive substance, particle, etc.) undergo change to a different form by emitting radiation. ► NOUN 1) the state or process of decaying …

    English terms dictionary

  • 9 Decay — Contents 1 Science and technlogy 1.1 Biology 1.2 Physics 1.3 …

    Wikipedia

  • 10 decay — {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ rapid ▪ slow ▪ dental (esp. BrE), tooth ▪ industrial (esp. BrE), urban …

    Collocations dictionary

  • 11 decay — 01. The [decaying] leaves in the garden are actually good for it and make the soil richer. 02. Tooth [decay] is preventable with proper oral hygiene. 03. The dentist said my tooth is so [decayed] that he may have to pull it. 04. The rise in… …

    Grammatical examples in English

  • 12 decay — decayable, adj. decayedness /di kayd nis, kay id /, adj. decayless, adj. /di kay /, v.i. 1. to become decomposed; rot: vegetation that was decaying. 2. to decline in excellence, prosperity, health, etc.; deteriorate. 3. Physics. (of a radioactive …

    Universalium

  • 13 decay — 1 verb 1 (I, T) to be slowly destroyed by a natural chemical process, or to make something do this: The carcass was already starting to decay. 2 (intransitive often in progressive) if buildings, structures, or areas decay, their condition… …

    Longman dictionary of contemporary English

  • 14 decay — de|cay1 [dıˈkeı] v [Date: 1400 1500; : Old North French; Origin: decaïr, from Late Latin decadere to fall, sink ] 1.) [I and T] to be slowly destroyed by a natural chemical process, or to make something do this →↑rot ▪ Her body was already… …

    Dictionary of contemporary English

  • 15 decay */ — I UK [dɪˈkeɪ] / US verb [intransitive] Word forms decay : present tense I/you/we/they decay he/she/it decays present participle decaying past tense decayed past participle decayed 1) to be gradually destroyed as a result of a natural process of… …

    English dictionary

  • 16 decay — n. 1) to fall into decay 2) tooth decay 3) radioactive decay 4) moral decay * * * [dɪ keɪ] moral decay radioactive decay to fall into decay tooth decay …

    Combinatory dictionary

  • 17 decay — de|cay1 [ dı keı ] verb * 1. ) intransitive or transitive to be gradually destroyed as a result of a natural process of change, or to destroy something in this way: As dead trees decay, they feed the soil. Too much sugar will decay your teeth. 2 …

    Usage of the words and phrases in modern English

  • 18 decay — I (New American Roget s College Thesaurus) n. decomposition, deterioration, disintegration, dilapidation, putrefaction, rot, caries. v. i. rot, putrefy, mortify; disintegrate. See oldness, uncleanness. II (Roget s IV) n. 1. [A progressive… …

    English dictionary for students

  • 19 decay — {{11}}decay (n.) mid 15c., deterioration, decline in value, from DECAY (Cf. decay) (v.). Meaning gradual decrease in radioactivity is from 1897. {{12}}decay (v.) late 15c., to decrease, from Anglo Fr. decair, O.N.Fr. decair (O.Fr. decheoir, 12c …

    Etymology dictionary

  • 20 decay — [dɪˈkeɪ] verb 1) [I/T] to be gradually destroyed as a result of a natural process, or to destroy something in this way As dead trees decay, they feed the soil.[/ex] Too much sugar will decay your teeth.[/ex] 2) [I] if a building or an area decays …

    Dictionary for writing and speaking English