a combining form meaning “bacteria,” used in the formation of compound words: bactericide; bacteriuria.
English Affixes From A To Z: A One-Stop List Of Suffixes, Prefixes, and Combining FormsIn English, we love to make new words by adding all sorts of bits to the front and back of existing terms. These are called affixes, and they are added to the base or stem of a word. When attached to the end of word, the affix is called a suffix. And to the beginning? A prefix.
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. 2019