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vaccine definition

vac·cine (vak sēn′, vak′sēn)

noun

  1. lymph, or a preparation of this, from a cowpox vesicle, containing the causative virus and used in vaccination against cowpox or smallpox
  2. any preparation of killed microorganisms, living weakened organisms, etc. introduced into the body to produce immunity to a specific disease by causing the formation of antibodies

Etymology: L vaccinus, from cows < vacca, cow; akin ? to Sans vaś, rogue cow

adjective

Rare of cowpox or vaccination

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:

medical vaccine definition - medical

vaccine Usage Examples

Converse of object

  • inactivate: Protection of the bovine fetus from bovine viral diarrhea virus by means of a new inactivated vaccine.

Preposition: against

  • smallpox: However, the government did award Edward Jenner £ 10,000 to carry on his work in developing a vaccine against smallpox.

Adjective modifier

  • pneumococcal: The same trick was used to improve Hib vaccine ten years ago, and has recently been used for pneumococcal vaccine.

Modifies a noun

  • antigen: The production of vaccines, or vaccine antigens respectively, by common technology is very expensive.

Noun used with modifier

  • polio: Monkey viruses contaminating batches of oral polio vaccine were carcinogenic.
vaccine usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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MLA Style

"vaccine." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/vaccine>

APA Style

vaccine. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/vaccine

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