Medical Term:

decay

Pronunciation: dĕ-kā′

Definition:

  1. Destruction of an organic substance by slow combustion or gradual oxidation.
  2. To deteriorate; to undergo slow combustion or putrefaction.
  3. In dentistry, caries.
  4. psychology loss of information registered by the senses and processed into short-term memory.
  5. Loss of radioactivity with time; spontaneous emission of radiation or charged particles or both from an unstable nucleus.

Synonym(s): putrefaction

[L. de, down, + cado, to fall]

See Also: memory

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