Online Google Dictionary

decay 中文解釋 wordnet sense Collocation Usage
Verb
/diˈkā/,
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decaying, present participle; decayed, past participle; decays, 3rd person singular present; decayed, past tense;
  1. (of organic matter) Rot or decompose through the action of bacteria and fungi
    • - a decayed cabbage leaf
    • - the odor of decaying fish
  2. Cause to rot or decompose
    • - the fungus will decay soft timber
  3. (of a building or area) Fall into disrepair; deteriorate
    • - urban neighborhoods decay when elevated freeways replace surface roads
  4. Decline in quality, power, or vigor
    • - the moral authority of the party was decaying
  5. (of a radioactive substance, particle, etc.) Undergo change to a different form by emitting radiation
    • - the trapped radiocarbon begins to decay at a known rate
  6. (of a physical quantity) Undergo a gradual decrease
    • - the time taken for the current to decay to zero
Noun
  1. The state or process of rotting or decomposition
    • - hardwood is more resistant to decay than softwood
    • - tooth decay
  2. Structural or physical deterioration
    • - the old barn rapidly fell into decay
  3. Rotten matter or tissue
    • - fluoride heals small spots of decay
  4. The process of declining in quality, power, or vigor
    • - preachers warning of moral decay
  5. The change of a radioactive substance, particle, etc., into another by the emission of radiation
    • - the gas radon is produced by the decay of uranium in rocks and soil
  6. Gradual decrease in the magnitude of a physical quantity
    • - the decay of electrical fields in the electromagnets

  1. the process of gradually becoming inferior
  2. disintegrate: lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process"
  3. fall into decay or ruin; "The unoccupied house started to decay"
  4. a gradual decrease; as of stored charge or current
  5. the organic phenomenon of rotting
  6. 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"
  7. Decay (Jacob Lashinski) was a fictional elderly mutant from Marvel Comics who first appeared in Quicksilver #8.
  8. Decay is a fictional character owned by DC Comics. She appears as a villain in the Wonder Woman comic book series.
  9. The Exemplars is a fictional group appearing in the Marvel Comics universe. It was made up of eight humans - Bedlam, Carnivore, Conquest, Decay, Inferno, Juggernaut, Stonecutter, and Tempest - who were empowered by the Octessence.
  10. Particle decay is the spontaneous process of one elementary particle transforming into other elementary particles. During this process, an elementary particle becomes a different particle with less mass and an intermediate particle such as W boson in muon decay. ...
  11. The process or result of being gradually decomposed; A deterioration of condition; To deteriorate, to get worse, to lose strength or health, to decline in quality; To rot, to go bad
  12. (decayed) Describing something that has, or is in process, of decaying
  13. The rotten part of the tooth.
  14. Destruction of tooth structure caused by toxins produced by bacteria.
  15. Disintegration of wood or other substance through the action of fungi.
  16. In ocean wave studies, the loss of energy from wind generated ocean waves after they have ceased to be acted on by the wind; this process is accompanied by an increase in length and a decrease in height of the wave.
  17. The lay term for carious lesions in a tooth; decomposition of tooth structure.
  18. A term used to describe how the theoretical value of an option 'erodes' or reduces with the passage of time. Time decay is specifically quantified by theta.
  19. The decomposition of wood by fungi.
  20. Exotic particles produced at accelerators are often very short-lived, and can transform into lighter, less exotic products, such as electrons and photons. This process of transformation is known as decay.
  21. Change of an element into a different element, usually with some other particle(s) and energy emitted.
  22. Decay is the antithesis of evolution. While the evolution process involves progressive changes, the changes are degenerative in the case of decay.
  23. vi. To undergo an implicit transformation to a value of slightly reduced type. Informally, arrays and functions tend to decay into pointers in C. See questions 6.3 and 1.34.
  24. an infectious disease process of the tooth that destroys the tooth structure and produces a cavity
  25. The transformation of a radioactive nuclide into a different nuclide by the spontaneous emission of radiation such as alpha, beta, or gamma rays, or by electron capture. The end product is a less energetic, more stable nucleus. Each decay process has a definite half-life.