bīˈäləˌjizəm noun
( -s )
Etymology: biology + -ism
1.
a. : a doctrine or system formulated from the biological point of view or based on biological modes of explanation
b. : adherence to such a doctrine, system, or point of view ; especially : preoccupation with biological explanations in the analysis of social situations
2. : the use of scientific phraseology peculiar to biologists ; also : an expression peculiar to biologists