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decay

[ dih-key ]

verb (used without object)

  1. to become decomposed; rot:

    vegetation that was decaying.

    Synonyms: , ,

  2. to decline in excellence, prosperity, health, etc.; deteriorate.
  3. Physics. (of a radioactive nucleus) to change spontaneously into one or more different nuclei in a process in which atomic particles, as alpha particles, are emitted from the nucleus, electrons are captured or lost, or fission takes place.


verb (used with object)

  1. to cause to decay or decompose; rot:

    The dampness of the climate decayed the books.

noun

  1. Decay made the wood unsuitable for use.

    Synonyms:

  2. a gradual falling into an inferior condition; progressive decline:

    the decay of international relations; the decay of the Aztec civilizations.

  3. decline in or loss of strength, health, intellect, etc.:

    His mental decay is distressing.

    Synonyms: , , , ,

  4. Aerospace. the progressive, accelerating reduction in orbital parameters, particularly apogee and perigee, of a spacecraft due to atmospheric drag.

decay

/ »åɪˈ°ì±ðɪ /

verb

  1. to decline or cause to decline gradually in health, prosperity, excellence, etc; deteriorate; waste away
  2. to rot or cause to rot as a result of bacterial, fungal, or chemical action; decompose
  3. Alsodisintegrate intr physics
    1. (of an atomic nucleus) to undergo radioactive disintegration
    2. (of an elementary particle) to transform into two or more different elementary particles
  4. intr physics (of a stored charge, magnetic flux, etc) to decrease gradually when the source of energy has been removed
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the process of decline, as in health, mentality, beauty, etc
  2. the state brought about by this process
  3. decomposition, as of vegetable matter
  4. rotten or decayed matter

    the dentist drilled out the decay

  5. physics
    1. a spontaneous transformation of an elementary particle into two or more different particles
    2. of an excited atom or molecule, losing energy by the spontaneous emission of photons
  6. physics a gradual decrease of a stored charge, magnetic flux, current, etc, when the source of energy has been removed See also time constant
  7. music the fading away of a note
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

decay

/ »åÄ­-°ìÄå′ /

Noun

  1. The breaking down or rotting of organic matter through the action of bacteria, fungi, or other organisms; decomposition.
  2. The spontaneous transformation of a relatively unstable particle into a set of new particles. For example, a pion decays spontaneously into a muon and an antineutrino. The decay of heavy or unstable atomic nuclei (such as uranium or carbon-10) into more stable nuclei and emitted particles is called radioactive decay . The study of particle decay is fundamental to subatomic physics.
  3. See more at fundamental force

Verb

  1. To undergo decay.
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Derived Forms

  • »å±ðˈ³¦²¹²â²¹²ú±ô±ð, adjective
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Other ˜yÐÄvlogs From

  • »å±ð·³¦²¹²âa·²ú±ô±ð adjective
  • »å±ð·³¦²¹²â±ð»å·²Ô±ð²õ²õ [dih-, keyd, -nis, -, key, -id-], adjective
  • »å±ð·³¦²¹²âl±ð²õ²õ adjective
  • ²Ô´Ç²Ôd±ð·³¦²¹²â±ð»å adjective
  • ²Ô´Ç²Ôd±ð·³¦²¹²âi²Ô²µ adjective
  • °ù±ðd±ð·³¦²¹²â verb
  • ²õ±ð³¾î€…i·»å±ð·³¦²¹²â noun
  • ²õ±ð³¾î€…i·»å±ð·³¦²¹²â±ð»å adjective
  • un»å±ð·³¦²¹²âa·²ú±ô±ð adjective
  • ³Ü²Ôd±ð·³¦²¹²â±ð»å adjective
  • ³Ü²Ôd±ð·³¦²¹²âi²Ô²µ adjective
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˜yÐÄvlog History and Origins

Origin of decay1

First recorded in 1425–75; late Middle English verb decayen, decaien, from Old North French decair, equivalent to de- “down†+ cair “to fall,†from unattested Vulgar Latin ³¦²¹»åŧ°ù±ð, for Latin cadere; noun derivative of the verb; de-.
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˜yÐÄvlog History and Origins

Origin of decay1

C15: from Old Northern French »å±ð³¦²¹Ã¯°ù, from Late Latin »åŧ³¦²¹»å±ð°ù±ð, literally: to fall away, from Latin cadere to fall
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Synonym Study

Decay, decompose, disintegrate, rot imply a deterioration or falling away from a sound condition. Decay implies either entire or partial deterioration by progressive natural changes: Teeth decay. Decompose suggests the reducing of a substance to its component elements: Moisture makes some chemical compounds decompose. Disintegrate emphasizes the breaking up, going to pieces, or wearing away of anything, so that its original wholeness is impaired: Rocks disintegrate. Rot is a stronger word than decay and is especially applied to decaying vegetable matter, which may or may not emit offensive odors: Potatoes rot.
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Example Sentences

It is simply a facet of Jérémie’s existence, one that will help him forge a path forward, through woods dotted with mushrooms — new life born from rot and decay.

From

Eating too much sugar increases the risk of tooth decay and some long-term health conditions such as type 2 diabetes, obesity and cardiovascular disease.

From

When a crane lifts up the concrete pieces, the stench of decaying bodies, already quite strong, becomes overwhelming.

From

But no other tower was ever built, so these futuristic cubes stayed there, started to decay and became obsolete.

From

They were all the same: tube lights flickering, the air thick with the stench of decay and antiseptic.

From

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