biological

or bi·o·log·ic

[bahy-uh-loj-i-kuh l or bahy-uh-loj-ik]

adjective

pertaining to biology.
of or relating to the products and operations of applied biology: a biological test.

noun

Pharmacology. any substance, as a serum or vaccine, derived from animal products or other biological sources and used to treat or prevent disease.

Origin of biological

First recorded in 1855–60; biolog(y) + -ical
Related formsbi·o·log·i·cal·ly, adverbnon·bi·o·log·i·cal, adjectivenon·bi·o·log·i·cal·ly, adverbpseu·do·bi·o·log·i·cal, adjectivepseu·do·bi·o·log·i·cal·ly, adverbsem·i·bi·o·log·ic, adjectivesem·i·bi·o·log·i·cal, adjectivesem·i·bi·o·log·i·cal·ly, adverbun·bi·o·log·i·cal, adjectiveun·bi·o·log·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for biological

organic, life, living

Examples from the Web for biological

Contemporary Examples of biological

Historical Examples of biological

  • We must face sex problems with biological and historical knowledge.

    The Truth About Woman

    C. Gasquoine Hartley

  • But the biological objection to any such proposition is not far to seek.

    The Truth About Woman

    C. Gasquoine Hartley

  • Much has been said in justification of this view of war from the biological point of view.

    Mountain Meditations

    L. Lind-af-Hageby

  • Hybrids are regarded as inferior creatures, as biological outlaws.

    Mountain Meditations

    L. Lind-af-Hageby

  • This, we know, is the biological law, and Khalid must suffer under it.

    The Book of Khalid

    Ameen Rihani


British Dictionary definitions for biological

biological

archaic biologic

adjective

of or relating to biology
(of a detergent) containing enzymes said to be capable of removing stains of organic origin from items to be washed

noun

(usually plural) a drug, such as a vaccine, that is derived from a living organism
Derived Formsbiologically, 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

Word Origin and History for 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

biological in Medicine

biological

[bī′ə-lŏjĭ-kəl]

adj.

Of, relating to, caused by, or affecting life or living organisms.
Having to do with biology.
Related by blood, as in a child's biological parents.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.