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Dictionary Meaning and Definition on 'Decay'

Decay Meaning and Definition from WordNet (r) 2.0
    decay n
  1. the process of gradually becoming inferior
  2. a gradual decrease; as of stored charge or current [syn: decline]
  3. the organic phenomenon of rotting [syn: decomposition]
  4. 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"
  5. the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation [syn: radioactive decay, disintegration] v
  6. lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process" [syn: disintegrate, decompose]
  7. fall into decay or ruin; "The unoccupied house started to decay" [syn: crumble, delapidate]
  8. undergo decay or decomposition; "The body started to decay and needed to be cremated"
Decay Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    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 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.
Decay Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    Decay \De*cay"\, v. t.
  1. To cause to decay; to impair. [R.] Infirmity, that decays the wise. --Shak.
  2. To destroy. [Obs.] --Shak.
Decay Meaning and Definition from Webster's Revised Unabridged Dictionary (1913)
    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
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Wikipedia Meaning and Definition on 'Decay'

  • Decay: Decay may refer to: Bacterial decay , decomposition of organic matter. Tooth decay (dental caries), in dentistry. Science and technlogy ...
  • Radioactive decay: Radioactive decay is the process by which an unstable atomic nucleus loses energy by emitting ionizing particles (ionizing radiation ). ...
  • Beta decay: In nuclear physics , beta decay is a type of radioactive decay in which a beta particle (an electron or a positron ) is emitted. ...
  • Urban decay: Urban decay is the process whereby a previously functioning city , or part of a city, falls into disrepair and decrepitude. It may feature ...
  • Exponential decay: A quantity is said to be subject to exponential decay if it decreases at a rate proportional to its value. number called the decay constant:\ ...
  • Proton decay: In particle physics , proton decay is a hypothetical form of radioactive decay in which the proton decays into lighter subatomic particle ...
  • Orbital decay: Orbital decay is the process of prolonged reduction in the altitude of a satellite's orbit . This can be due to drag produced by an ...
  • Particle decay: Particle decay is the spontaneous process of one elementary particle transforming into other elementary particles. W boson in muon decay . ...

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'Decay' in famous quotation sentence

* Ill fares the land, to hast'ning ill a prey, Where wealth accumulates, and men decay Princes and Lords may flourish, or may fade A breath can make them, as a breath has made but a bold peasantry, their country's pride, When once destroyed can never be supplied. - Oliver Goldsmith

* You shall go with me, newly-married bride,And gaze upon a merrier multitude.White-armed Nuala, Aengus of the Birds,Feachra of the hurtling form, and himWho is the ruler of the Western Host,Finvara, and their Land of Heart's Desire.Where beauty has no ebb, decay no flood,But joy is wisdom, time an endless song. - William Butler Yeats

* The interval between the decay of the old and the formation and establishment of the new constitutes a period of transition which must always necessarily be one of uncertainty, confusion, error, and wild and fierce fanaticism. - John Calhoun

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