Share this entry
bioassay Syllabification: bi·o·as·say
Pronunciation: /ˌbīōəˈsā/

Definition of bioassay in English:


Measurement of the concentration or potency of a substance by its effect on living cells or tissues.
Example sentences
  • A bioassay was developed to measure specific yolk protein synthesis in vitro.
  • In addition, a simple and efficient in vitro regeneration bioassay was developed for the preliminary screening of transgenic lines against a pathogenic fungus.
  • This bioassay provides a measure that is precise and repeatable, but more importantly reflects the ecological context of TTX intoxication.


Early 20th century: from bio- 'life' + assay.

Definition of bioassay in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources