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单词 decay
释义 de·cay
I. \də̇ˈkā, dēˈ-\ verb
(-ed/-ing/-s)
Etymology: Middle English decayen, from Old North French decaïr, from Late Latin decadere to fall, sink, from Latin de down, away + cadere to fall — more at de-, chance
intransitive verb
1.
 a. archaic : to decline from a prosperous condition
  < families … decayed into the humble vale of life — Sir Walter Scott >
 b. : to pass gradually from a comparatively sound or perfect state to one of unsoundness, imperfection, or dissolution
  < where wealth accumulates and men decay — Oliver Goldsmith >
2. : to decrease in quantity, volume, activity, or force : dwindle away
 < the voices … decayed and died out upon her ear — Thomas Hardy >
3. : to fall into physical ruin
 < the old house decayed from lack of repairs >
4. : to decline in health, strength, vigor, or freshness
 < a mind beginning to decay >
5. : to undergo decomposition : rot
 < fruit decays in the sun >
transitive verb
1. obsolete : to cause to decay : impair
 < infirmity that decays the wise — Shakespeare >
2. : to destroy by decomposition : rot
 < rain and sun decayed the building >
Synonyms:
 decompose, rot, putrefy, spoil, disintegrate, crumble: decay indicates deteriorating change, often gradual, from a sound condition or perfect state
  < bruised apples decaying quickly >
  < decaying teeth >
  < with huge machines left to rust and decayAmerican Guide Series: Texas >
  < the Aztec regime and culture collapsed and the native crafts and arts decayed — R.W.Murray >
  decompose implies breaking down into components or dissolution through corruption
  < the strong odor of decomposing meat >
  < action of bacteria in decomposing the organic products — A.C.Morrison >
  < after slaying his colleague, he chemically decomposed the body — Leo Guild >
  rot, applied to animal or vegetable matter, indicates decaying with corruption, often with offensive foulness; otherwise it may indicate enervation or stagnation
  < fruit rotting in the baskets >
  < the rotting corpses of the Americans and British whom the French allowed to be massacred at Fort William Henry — Cleveland Amory >
  < it was this garrison life. Half civilian, half military, with all the drawbacks of both. It rotted the soul, robbed a man of ambition, faith — Irwin Shaw >
  putrefy may indicate noisome, extremely offensive, or nauseating rotting
  < putrefying cadavers >
  spoil is a less extreme word often used in reference to food to indicate a degree of decay that makes it uneatable
  < the lettuce will spoil if it is not refrigerated >
  disintegrate implies a separating of particles or a breaking apart that destroys the entity or integrity of the item in question
  < mortar disintegrating in the old chimney >
  < icebergs disintegrating in the warm water >
  < if we raise the temperature higher and higher, the metal itself finally disintegrates and becomes a gas — K.K.Darrow >
  < [the] Whig party disintegrated into its component elements — H.S.Commager >
  crumble implies a slow disintegration with a breaking and falling off of small particles
  < winter rains had washed and washed against its narrow, faded old bricks until the plaster between them had crumbled — Margaret Deland >
  < still visible, although the stockade itself has long since crumbled, are the outlines of the ancient earthworks — American Guide Series: Michigan >
  < Hood's army, crumbled in morale and depleted by wholesale desertion — American Guide Series: Tennessee >
II. noun
(-s)
Etymology: Middle English, from decayen
1.
 a. : the condition of a person or thing that has undergone a decline in strength, soundness, or prosperity or has been diminished in degree of excellence or perfection
  < arts and letters had fallen into decay >
 b. : a progressive failure of strength, soundness, or prosperity : a diminishing in degree of excellence or perfection
  < saw a rapid decay of moral principles >
2.
 a. : the material process of dilapidation : wasting or wearing away : the state of being wasted or worn away : ruin
  < ancient temples fallen into complete decay >
 b. obsolete : ruined remains : debris — usually used in plural
3. obsolete : destruction, death, ruin
 < sullen presage of your own decay — Shakespeare >
4. obsolete : a cause of decay
 < my love was my decay — Shakespeare >
5.
 a. : rot; specifically : the aerobic decomposition of proteins chiefly by bacteria in which the products of putrefaction are completely oxidized to stable compounds having no foul odors
 b. : the product of decay
  < remove decay from a tooth >
6.
 a. archaic : a decline in health or vigor
 b. obsolete : the manifestations of age or of decline in health — usually used in plural
 c. archaic : a wasting disease; especially : consumption
7. : decrease in quantity, volume, activity, or force: as
 a. : spontaneous decrease in the number of radioactive atoms in radioactive material (as uranium ore)
 b. : spontaneous disintegration of an atom, an atomic nucleus, a neutron, or a meson
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更新时间:2024/11/10 10:36:56