biologist
n. countable B1 Intermediate US //baɪˈɑɫədʒɪst// UK //baɪˈɒlədʒˌɪst// bi·ol·o·gist
n. a scientist who studies living things. This includes everything from tiny bacteria to large animals and how they interact with their environment.
n. a scientist who specialises in the study of living organisms and their vital processes. The term encompasses specialists in various sub-disciplines such as genetics, ecology, and microbiology.
The biologist is studying the behavior of wolves.
A marine biologist spent three months on a research vessel to track the migration patterns of humpback whales.
By analyzing DNA samples from various soil layers, the biologist was able to reconstruct the ancient ecosystem and identify species that had been extinct for millennia.
From biology + -ist.