Etymology

sociobiology

so·ci·o·bi·o·lo·gy
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Today it means: The science that applies the principles of evolutionary biology to the study of social behaviour in both humans and animals. Full definition →

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The story

From socio- + biology, popularized by E. O. Wilson's Sociobiology: The New Synthesis (1975).

Etymology from Wiktionary, CC BY-SA 4.0.