BACTEROID
bacteroidal, bacteroid, bacterioidal, bacterioid
(adjective) resembling bacteria
bacteroid
(noun) a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants)
Source: WordNet® 3.1
Etymology
Noun
bacteroid (plural bacteroids)
(dated) A micro-organism such as a bacterium or yeast.
A bacterium of the species Bacteroides.
A symbiotic form of the nitrogen-fixing bacterium Rhizobia, or the root nodule that it produces.
Adjective
bacteroid (comparative more bacteroid, superlative most bacteroid)
(biology) Resembling bacteria.
bacteroid particles
Source: Wiktionary
Bac"te*roid, Bac`te*roid"al, a. Etym: [Bacterium + -oid.] (Biol.)
Definition: Resembling bacteria; as, bacteroid particles.
Source: Webster’s Unabridged Dictionary 1913 Edition