1920s; earliest use found in Stewart Paton (1865–1942). From psycho- + biologic, after psychobiology. Compare French psychobiologique, German psychobiologisch.
Definition of psychobiologic in US English:
psychobiologic
adjectiveˌsʌɪkəʊˌbʌɪəˈlɒdʒɪk
US
Psychobiological.
Origin
1920s; earliest use found in Stewart Paton (1865–1942). From psycho- + biologic, after psychobiology. Compare French psychobiologique, German psychobiologisch.