Medical Dictionary

negative neg·a·tive (něg'ə-tĭv)

  1. Expressing, containing, or consisting of a negation, refusal, or denial.

  2. Marked by failure of response or absence of a reaction.

  3. Not indicating the presence of microorganisms, disease, or a specific condition.

  4. Moving or turning away from a stimulus, such as light.

  5. Relating to or designating an electric charge of the same sign as that of an electron.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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