medium

medium definition - medical

me·di·um (mēˈdē-əm)

noun pl. me·di·ums or me·di·a (-dē-ə)
  1. Something, such as an intermediate course of action, that occupies a position or represents a condition midway between extremes.
  2. An intervening substance through which something else is transmitted or carried on.
  3. An agency by which something is accomplished, conveyed, or transferred.
  4. The substance, often nutritive, in which a specific organism lives and thrives.
  5. A culture medium.
  6. A filtering substance, such as filter paper.
adjective
Occurring or being between two degrees, amounts, or quantities; intermediate.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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