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biological

[ bahy-uh-loj-i-kuhl ]
/ ˌbaɪ əˈlɒdʒ ɪ kəl /
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adjective

Also biologic .Biology. pertaining to the science and application of biology: the biological substrata; conducting biological tests.
Biology, Genetics. related genetically, as a birth parent, whose egg or sperm contributed to the DNA of a child: He met his biological father when he was 37.The Greenes have two biological sons and one adopted daughter.

noun

Usually biologicals. Pharmacology. biologic (def. 1).

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Origin of biological

First recorded in 1855–60; biolog(y) + -ical

OTHER WORDS FROM biological

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for biological

British Dictionary definitions for biological

biological

archaic biologic

/ (ˌbaɪəˈlɒdʒɪkəl) /

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 forms of biological

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

Medical definitions for biological

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.
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