biodefense

B3I1O1D2E1F4E1N1S1E1

noun

Any defensive measure taken against an attack using bacteria, viruses or toxins

Similar
biological defensebiological defencebiodefence
OriginEnglish defense ← Ancient Greek βῐο- (bĭo-) ← Proto-Indo-European *gʷeyh₃- →
UncommonScrabble 16
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Meanings

nounbiodefense (plural biodefenses)

plural biodefenses · alternative biodefence

  1. Any defensive measure taken against an attack using bacteria, viruses or toxins

Synonyms & antonyms

nounprocedures involved in taking defensive measures against attacks using biological agents

Similar
biological defensebiological defencebiodefence
Broader
defensedefencedefensive measure

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*gʷeyh₃-
  2. Ancient Greekβῐ́ος (bĭ́os)
  3. Ancient Greekβῐο- (bĭo-)
  4. Englishbio-
  5. Englishdefense
  6. Englishbiodefense

From bio- + defense.

Full word history & related roots →
Cite this entry
APA

biodefense. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/biodefense

MLA

“biodefense.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/biodefense. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “biodefense,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/biodefense.

Source: biodefense on Wiktionary, CC BY-SA 4.0.