from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The use of injurious microorganisms, such as bacteria or viruses, as weapons in warfare.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The use of harmful microorganisms as a weapon of war.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the use of harmful bacteria as a weapon


Sorry, no etymologies found.


  • I recruited him to a small subsidiary of mine, PicoMed Pharmaceuticals, where Watson thought he would be working on a germ warfare project for the Pentagon.

    The Ark

  • Wait until your child seems more rational before you explain to him that you have to let the mailman whom he has decided is engaging in germ warfare because he once saw him picking his nose before coming to your house deliver the mail because without mail delivery, he won’t get his Ranger Rick magazine.

    The Ups and Downs of Raising a Bipolar Child


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