Definition from Wiktionary, the free dictionary
bacterial (not comparable)
- (microbiology) Of, relating to, or caused by bacteria.
2013 July 20, “Welcome to the plastisphere”, in The Economist, volume 408, number 8845:
- [The researchers] noticed many of their pieces of [plastic marine] debris sported surface pits around two microns across. Such pits are about the size of a bacterial cell. Closer examination showed that some of these pits did, indeed, contain bacteria, […].
of or caused by bacteria