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Meaning of “decay” in the English Dictionary

"decay" in British English

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decayverb [I or T]

uk   /dɪˈkeɪ/  us   /dɪˈkeɪ/
B2 to (cause something to) become gradually damaged, worse, or less: Sugar makes your teeth decay. The role of the extended family has been decaying for some time. Pollution has decayed the surface of the stonework on the front of the cathedral. the smell of decaying meat

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decaynoun [U]

uk   /dɪˈkeɪ/  us   /dɪˈkeɪ/
C2 the process of decaying: environmental/industrial/moral/urban decay dental/tooth decay The buildings had started to fall into decay. This industry has been in decay for some time.

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(Definition of decay from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"decay" in American English

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decaynoun [U]

 us   /dɪˈkeɪ/
damage, or a state that becomes gradually worse: The dentist says I have a lot of tooth decay. There’s still too much crime, poverty, and decay in the neighborhood. Your attitude just contributes to the growing social decay.
  • decay noun [U] (PROCESS)

physics /dɪˈkeɪ/ the process by which a radioactive substance breaks down and sends out harmful radiation
decay
verb [I/T]  us   /dɪˈkeɪ/
decaying
adjective [not gradable]  us   /dɪˈkeɪ·ɪŋ/
Empty lots stand next to abandoned, decaying buildings.
(Definition of decay from the Cambridge Academic Content Dictionary © Cambridge University Press)
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“decay” in British English

“decay” in American English

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