hay bacillus

noun

Definition of hay bacillus

: a rod-shaped spore-forming chiefly aerobic bacterium (Bacillus subtilis) widely distributed in soil and decaying organic matter

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History and Etymology for hay bacillus

so called from the fact that isolations were formerly made from boiled hay infusions

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Dictionary Entries Near hay bacillus

Hay

hay bacillus

hay barrack

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Cite this Entry

“Hay bacillus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hay%20bacillus. Accessed 23 Jan. 2022.

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