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bacteri-

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

Origin of bacteri-

< Greek baktḗrion little staff; see bacterium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

bacter- in Medicine

bacter-

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