bio-


a combining form meaning “life” occurring in loanwords from Greek (biography); on this model, used in the formation of compound words (bioluminescence).
Also especially before a vowel, bi-.

Origin of bio-

combining form of Greek bíos life; akin to Latin vīvus living, Sanskrit jīvas. See quick
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for bio-

bio-

before a vowel bi-


combining form

indicating or involving life or living organismsbiogenesis; biolysis
indicating a human life or careerbiography; biopic

Word Origin for bio-

from Greek bios life
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 bio-

bio-

pref.

Life; living organism:biology.
Biology; biological:biophysics.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.