bioassay

bioassay

[n. bahy-oh-uh-sey, -as-ey; v. bahy-oh-uh-sey]
noun
1.
determination of the biological activity or potency of a substance, as a vitamin or hormone, by testing its effect on the growth of an organism.
verb (used with object), bioassayed, bioassaying.
2.
to subject to a bioassay.

Origin:
1910–15; bio(logical) + assay

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bioassay
 
n
1.  a method of determining the concentration, activity, or effect of a change to substance by testing its effect on a living organism and comparing this with the activity of an agreed standard
 
vb
2.  (tr) to subject to a bioassay

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

bioassay bi·o·as·say (bī'ō-ās'ā', -ā-sā')
n.

  1. Determination of the strength or biological activity of a substance, such as a drug or hormone, by comparing its effects with those of a standard preparation on a test organism.

  2. A test used to determine such strength or activity.

v. bi·o·as·sayed, bi·o·as·say·ing, bi·o·as·says
To cause to undergo a bioassay. Also called biologic assay.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
bioassay   (bī'ō-ās'ā', -ā-sā')  Pronunciation Key 
  1. Determination of the relative purity of a substance, such as a drug or hormone, by comparing its effects with those of a standard preparation on a culture of living cells or a test organism.

  2. A test used to determine such purity.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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