Bedeutung von “decay” — Learner’s Dictionary

decay

verb [ I ] us uk /dɪˈkeɪ/

B2 to gradually become bad or weak or be destroyed, often because of natural causes like bacteria or age:

decaying leaves
Sugar makes your teeth decay.
decay noun [ U ]

the process of decaying:

tooth decay
Many of the buildings had fallen into decay.

(Definition von “decay” aus dem Cambridge Learner's Dictionary © Cambridge University Press)