Microbial
/maɪˈkroʊbiəl/
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Definition
(adj) Of, relating to, or caused by microbes or microorganisms.
Sentence Examples
The Mars 2020 Perseverance rover's astrobiology mission will search for signs of ancient microbial life.
Flavio found microbial beings on Mars.
CEFR Practice Quiz
The ____ activity in the compost pile helps to break down organic waste into nutrient-rich soil for use in the home garden.