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Definition of "bioassay" [bioassay]

  • Determination of the strength or biological activity of a substance, such as a drug, by comparing its effects with those of a standard preparation on a test organism. (noun)
  • A test used to determine such strength or activity. (noun)
  • To cause to undergo a bioassay. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "bioassay" in a sentence
  • "There is a minimal 24-hour window after exposure to Uranium to order a urine or fecal bioassay."
  • "Cellular bioassay of fish as a sensitive index of water quality related to ash from coal combustion: Technical completion report by D."
  • "A continuous-flow periphyton bioassay: tests of nutrient limitation in a tundra stream."