bioassay
[ noun bahy-oh-uh-sey, -as-ey; verb bahy-oh-uh-sey ]
/ noun ˌbaɪ oʊ əˈseɪ, -ˈæs eɪ; verb ˌbaɪ oʊ əˈseɪ /
noun
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), bi·o·as·sayed, bi·o·as·say·ing.
to subject to a bioassay.
Nearby words
Origin of bioassay
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for bioassay
bioassay
noun (ˌbaɪəʊəˈseɪ, -ˈæseɪ)
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
verb (ˌbaɪəʊəˈseɪ)
(tr) to subject to a bioassay
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for bioassay
bioassay
[ bī′ō-ăs′ā′, -ă-sā′ ]
n.
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.
A test used to determine such strength or activity.
v.
To cause to undergo a bioassay.biologic assay
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for bioassay
bioassay
[ bī′ō-ăs′ā′, -ă-sā′ ]
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.
A test used to determine such purity.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.