quantum

quantum definition - medical

quan·tum (kwŏnˈtəm)

noun pl. quan·ta (-tə)
  1. The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation.
  2. This amount of energy regarded as a unit.
  3. A quantity or an amount.

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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