the study of sexual behaviour in human beings
WordReference Random House Unabridged Dictionary of American English © 2025
sex•ol•o•gy
(sek sol′ə jē),USA pronunciation n.
sex•o•log•i•cal
(sek′sə loj′i kəl),USA pronunciation adj.
sex•ol′o•gist, n.
- Medicinethe study of sexual behavior.
- 1900–05; sex + -o- + -logy
Collins Concise English Dictionary © HarperCollins Publishers::