decay, decompose, rot, putrefy, spoil mean to undergo destructive dissolution. decay implies a slow change from a state of soundness or perfection.

decay, decompose, rot, putrefy, and spoil mean to slowly fall apart and become destroyed by natural processes. decay is the most general of these terms. It often suggests a slow change from a state of …

The bacteria live on food particles and produce acid that decays the enamel on your teeth. The flesh on a dead body decays very rapidly. It's sad to watch a beautiful rose wither and decay in such a short …

Decay has wide application but often suggests partial deterioration short of complete destruction: "A decaying dam is an accident waiting to happen" (George Black).

Feb 23, 2026 · decay (third-person singular simple present decays, present participle decaying, simple past and past participle decayed) (intransitive) To deteriorate, to get worse, to lose strength or …

Decay rate measures how quickly unstable atoms break down. Learn what it means, how half-life relates to it, and where exponential decay shows up in everyday science.

Some species rapidly change colour, and cause the decay of any others with which they come in contact. From this time forward the city began to decay. Though rebuilt, the building fell into decay …

Decay refers to the process of gradual degradation, breakdown, or destruction of an object, substance, or system. This term can be used in various contexts such as biology, physics, and even societal …

Decay is also a noun. When not removed, plaque causes tooth decay and gum disease.

Definition of decay noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.