decay

Pronunciation: de-ka'

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

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

Medical Disclaimer