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Meaning of vaccinate

vac•ci•nate

Pronunciation: (vak'su-nāt"), [key]
— v., -nat•ed, -nat•ing.
—v.t.
  1. to inoculate with the vaccine of cowpox so as to render the subject immune to smallpox.
  2. to inoculate with the modified virus of any of various other diseases, as a preventive measure.
—v.i.
  1. to perform or practice vaccination.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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