a combining form meaning “bacteria,” used in the formation of compound words: bactericide; bacteriuria.
Also bacter-, bacterio-.

Origin of bacteri-

< Greek baktḗrion little staff; see bacterium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for bacter-



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