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Meaning of DECAY

Pronunciation:  di'key

WordNet Dictionary
  1. [n]  the organic phenomenon of rotting
  2. [n]  a gradual decrease; as of stored charge or current
  3. [n]  the process of gradually becoming inferior
  4. [n]  the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
  5. [n]  an inferior state resulting from the process of decaying; "the corpse was in an advanced state of decay"; "the house had fallen into a serious state of decay and disrepair"
  6. [v]  undergo decay or decomposition
  7. [v]  fall into decay or ruin; "The unoccupied house started to decay"
  8. [v]  lose a stored charge, magnetic flux, or current; as of particles in nuclear fission

DECAY is a 5 letter word that starts with D.


 Synonyms: crumble, decline, decompose, decomposition, delapidate, disintegrate, disintegration, radioactive decay
 See Also: action, activity, break, bust, caries, cavity, change, change integrity, corrode, corruption, decomposition, decomposition, decrease, decrement, dental caries, deteriorate, deterioration, dilapidation, disintegration, droop, eat at, erode, exponential decay, exponential return, fall apart, gnaw, gnaw at, go bad, impairment, molder, moulder, natural action, natural process, nuclear reaction, organic phenomenon, putrefaction, putrefaction, putrefy, rot, rot, rot, rotting, ruin, ruin, rust, spoil, spoilage, spoiling, tooth decay, unsoundness, wear, wear away, wear out, weather, wilt



Webster's 1913 Dictionary
  1. \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
    To pass gradually from a sound, prosperous, or perfect state,
    to one of imperfection, adversity, or dissolution; to waste
    away; to decline; to fail; to become weak, corrupt, or
    disintegrated; to rot; to perish; as, a tree decays; fortunes
    decay; hopes decay.
          Ill fares the land, to hastening ills a prey, Where
          wealth accumulates and men decay.        --Goldsmith.
  2. \De*cay"\, v. t.
    1. To cause to decay; to impair. [R.]
             Infirmity, that decays the wise.      --Shak.
    2. To destroy. [Obs.] --Shak.
  3. \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 decay of virtue; the decay of the Roman empire;
       a castle in decay.
             Perhaps my God, though he be far before, May turn,
             and take me by the hand, and more - May strengthen
             my decays.                            --Herbert.
             His [Johnson's] failure was not to be ascribed to
             intellectual decay.                   --Macaulay.
             Which has caused the decay of the consonants to
             follow somewhat different laws.       --James Byrne.
    2. Destruction; death. [Obs.] --Spenser.
    3. Cause of decay. [R.]
             He that plots to be the only figure among ciphers,
             is the decay of the whole age.        --Bacon.
    Syn: Decline; consumption. See {Decline}.
Computing Dictionary

[Nuclear physics] An automatic conversion which is applied to most array-valued expressions in c; they "decay into" pointer-valued expressions pointing to the array's first element. This term is not used in the official standard for the language.

[jargon file]

Dream Dictionary
 Definition: Seeing something decay in your dream means the degradation of a situation or circumstance. It may also represent the death of an old situation before the rebirth into a new stage.
Thesaurus Terms
 Related Terms: ablate, ablation, atomization, atomize, atrophy, biodegradability, biodegradation, break down, break up, breakup, canker, caries, carrion, catalysis, catalyst, collapse, come apart, consume, contaminate, corrode, corrosion, corrupt, corruption, crack up, crumble, crumble into dust, crumbling, curdle, dandruff, debilitate, decadence, decline, decompose, decomposition, decrease, defile, degenerate, degeneration, degradability, degradation, deteriorate, deterioration, dialysis, dilapidate, dilapidation, diminish, disintegrate, disintegration, disjoin, disjunction, disorganization, disorganize, dissociation, dissolution, dissolve, downfall, dry rot, dwindle, ebb, enfeeble, erode, erosion, excrement, fading, failing, fall into decay, fall to pieces, ferment, fester, filth, fission, foul matter, foulness, furfur, gangrene, go bad, go off, go to pieces, go to pot, go to seed, hydrolysis, hydrolyst, incoherence, mess, mildew, mold, molder, mortification, mortify, mould, moulder, muck, mucus, necrose, necrosis, obscenity, ordure, oxidation, oxidization, perish, photolysis, pollute, pus, putrefaction, putrefy, putresce, putrescence, putrid matter, putridity, putridness, rancidity, rancidness, rankle, rankness, ravages of time, resolution, rot, rottenness, rotting, ruin, rust, sap, scurf, scuz, slime, slough, smut, snot, sordes, sour, sphacelate, sphacelation, sphacelus, split, splitting, spoil, spoilage, suppurate, taint, thermolysis, tooth decay, turn, undermine, wane, waste away, wasting, weaken, weakening, wear, wear and tear, wear away, wither, work, wreck