bioassay

B3I1O1A1S1S1A1Y4

noun

The analysis of the biological activity of a substance, with reference to a standard preparation, using a culture of living cells, or a living creature.

Similar
bio-assay
OriginEnglish assay ← Ancient Greek βῐο- (bĭo-) ← Proto-Indo-European *gʷeyh₃- →
Less commonScrabble 13
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Meanings

nounbioassay (countable and uncountable, plural bioassays)

plural bioassays

  1. countableuncountableThe analysis of the biological activity of a substance, with reference to a standard preparation, using a culture of living cells, or a living creature.
verbbioassay (third-person singular simple present bioassays, present participle bioassaying, simple past and past participle bioassayed)

present singular third person bioassays · participle present bioassaying · participle past bioassayed · past bioassayed

  1. To carry out such an analysis.

Synonyms & antonyms

nounappraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard

Similar
bio-assay
Broader
assay

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. Englishassay
  6. Englishbioassay

From bio- + assay.

Full word history & related roots →

Rhymes & wordplay

Rhymes with bioassay

amaymedayrewaytodaykjlasayplayzpayawaydisplaystaybayoksurveyleDJraylingerie
All rhymes →
Cite this entry
APA

bioassay. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/bioassay

MLA

“bioassay.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/bioassay. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “bioassay,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/bioassay.

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