Medical Definition of cold
1a: having or being a temperature that is noticeably lower than body temperature and especially that is uncomfortable for humans <a cold drafty room>b: having a relatively low temperature or one that is lower than normal or expected <the bath water has gotten cold>c: receptive to the sensation of coldness : stimulated by cold <a cold spot is a typical receptor in higher vertebrates>
2: marked by the loss of normal body heat <cold hands>
4: exhibiting little or no radioactivity
Medical Definition of COLD
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