Decay implies a slow change from a state of soundness or perfection. 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 time Plants and animals decay into the soil, replenishing the minerals and nutrients. Decay, decompose, disintegrate, rot imply a deterioration or falling away from a sound condition
Decay implies either entire or partial deterioration by progressive natural changes Decay has wide application but often suggests partial deterioration short of complete destruction A decaying dam is an accident waiting to happen (george black). There are 13 meanings listed in oed's entry for the noun decay, six of which are labelled obsolete See ‘meaning & use’ for definitions, usage, and quotation evidence. Discover everything about the word decay in english
Decay is the most general of these terms It often suggests a slow change from a state of strength or perfection. The destruction or decomposition of organic matter as a result of bacterial or fungal action To decay means to rot, decompose, break down Our bodies—anything organic—will decay after death Broken sidewalks, potholes, graffiti are all signs of urban decay
Tooth decay is something to avoid Decay can also mean decline.
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