[vak-suh-neyt] Medicine/Medical.
verb (used with object), vaccinated, vaccinating.
to inoculate with the vaccine of cowpox so as to render the subject immune to smallpox.
to inoculate with the modified virus of any of various other diseases, as a preventive measure.
verb (used without object), vaccinated, vaccinating.
to perform or practice vaccination.

1800–10; back formation from vaccination

prevaccinate, verb (used with object), prevaccinated, prevaccinating.
revaccinate, verb (used with object), revaccinated, revaccinating.
unvaccinated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To re-vaccinate
World English Dictionary
vaccinate (ˈvæksɪˌneɪt)
to inoculate (a person) with a vaccine so as to produce immunity against a specific disease

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1803, from vaccination.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

vaccinate vac·ci·nate (vāk'sə-nāt')
v. vac·ci·nat·ed, vac·ci·nat·ing, vac·ci·nates
To inoculate with a vaccine in order to produce immunity to an infectious disease such as diphtheria or typhus.

vac'ci·na'tor n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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