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biological

[bahy-uh-loj-i-kuh l] /ˌbaɪ əˈlɒdʒ ɪ kəl/
adjective
1.
pertaining to biology.
2.
of or relating to the products and operations of applied biology:
a biological test.
noun
3.
Pharmacology. any substance, as a serum or vaccine, derived from animal products or other biological sources and used to treat or prevent disease.
Also, biologic.
Origin
1855-1860
1855-60; biolog(y) + -ical
Related forms
biologically, adverb
nonbiological, adjective
nonbiologically, adverb
pseudobiological, adjective
pseudobiologically, adverb
semibiologic, adjective
semibiological, adjective
semibiologically, adverb
unbiological, adjective
unbiologically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for biologicals
  • The air force also changed its plans and wanted lethal biologicals.
British Dictionary definitions for biologicals

biological

/ˌbaɪəˈlɒdʒɪkəl/
adjective
1.
of or relating to biology
2.
(of a detergent) containing enzymes said to be capable of removing stains of organic origin from items to be washed
noun
3.
(usually pl) a drug, such as a vaccine, that is derived from a living organism
Derived Forms
biologically, adverb
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
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Word Origin and History for biologicals

biological

adj.

1840, from biology + -ical. Biological clock attested from 1955; not especially of human reproductive urges until c.1991. Related: Biologically.

Online Etymology Dictionary, © 2010 Douglas Harper
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biologicals in Medicine

biological bi·o·log·i·cal (bī'ə-lŏj'ĭ-kəl)
adj.

  1. Of, relating to, caused by, or affecting life or living organisms.

  2. Having to do with biology.

  3. Related by blood, as in a child's biological parents.

n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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