2002, A.C. Panchdhari, Water Supply and Sanitary Installations, 2nd ed., ISBN 8122412254, page 177:
Anaerobic bacteria function in the absence of oxygen, where as aerobic bacteria require sunlight and also oxygen. Both these bacterias are capable of breaking down the organic matter Template:...
(US, proscribed)Template:Alternative form of
(pejorative,slang) A derisive term for a lowlife or a slob (could be treated as plural or singular).
This is the plural form of the word. While it is often used as if it were singular (as a collective noun), this is considered nonstandard by some in the US and more elsewhere. See the usage examples under bacterium.