from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A biological pathogen or toxin, such as the anthrax bacterium or the smallpox virus, that has been prepared for release on the battlefield or within a civilian population in sufficient concentration to cause widespread illness or death.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A biological
pathogenor toxindesigned or used for warfare.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun any weapon usable in biological warfare
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