Microbial means relating to or caused by microbes.
...the question of whether microbial life exists, or once existed, on Mars.
Microbial infections now kill 17m people a year.
Examples of 'microbial' in a sentence
microbial
They have developed microbial fuel cells that use the natural biological processes of bacteria.
The Sun (2016)
According to current thinking it is likely to discover microbial life.
Times, Sunday Times (2013)
The more microbial diversity you have, the better.
Times, Sunday Times (2015)
The evolution of microbial relationships often involved symbiosis.
The Times Literary Supplement (2017)
If so, the creatures may have fed on microbial mats.
2019, 'Complex Life May Have Existed on Earth Much Earlier Than We Thought', Smithsonianhttps://www.airspacemag.com/daily-planet/complex-life-may-have-existed-earth-much-earlier-we-thought-180971557/
This book is in many ways a plea for microbial tolerance.
Times, Sunday Times (2016)
They used microbial fuel cells to produce the electrical charge.
Times, Sunday Times (2013)
They said the discovery could help 'address the anti-microbial resistance crisis in human medicine'.
The Sun (2018)
Curiosity is equipped to find this stuff, but not microbial life itself.
Times, Sunday Times (2012)
For every one of your own cells, there are ten microbial cells.