bacteroid

[ bak-tuh-roid ]

/ ˈbæk təˌrɔɪd /

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noun

any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants.

adjective

Also bac·te·roi·dal, bac·te·ri·oi·dal . resembling bacteria.

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Also bac·te·ri·oid

[bak-teer-ee-oid] /bækˈtɪər iˌɔɪd/ .

Origin of bacteroid

First recorded in 1850–55; bacter- + -oid

Words nearby bacteroid

bacteriostatic, bacteriotoxin, bacterium, bacteriuria, bacterize, bacteroid, bacteroides, Bactria, Bactrian, Bactrian camel, baculiform

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use bacteroid in a sentence

The lumps are filled with small living organisms called bacteria, and, hence, have been called bacteroid tubercles.
Farm Gardening with Hints on Cheap Manuring|Anonymous
Experiments to show that the host also benefits from the association have centered around rendering cockroaches bacteroid free.
The Biotic Associations of Cockroaches|Louis M. Roth
These bacteroid-free nymphs were practically incapable of growth on a natural diet that was adequate for nymphs with symbiotes.
The Biotic Associations of Cockroaches|Louis M. Roth

British Dictionary definitions for bacteroid

bacteroid

/ (ˈbæktəˌrɔɪd) /

adjective

resembling a bacterium

noun

any rodlike bacterium of the genus Bacteroides, occurring in the gut of humans and animals

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