inoculation Hear it!

inoculation definition

in·ocu·la·tion (i näk′yə lā′s̸hən)

noun

the act or process of inoculating; esp.,
  1. the injection of a disease agent into an animal or plant, usually to cause a mild form of the disease and build up immunity to it
  2. the putting of bacteria, serum, etc. into soil, a culture medium, etc.

Etymology: L inoculatio

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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