• synonyms


  1. the study of sexual behavior.
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Origin of sexology

First recorded in 1900–05; sex + -o- + -logy
Related formssex·o·log·i·cal [sek-suh-loj-i-kuh l] /ˌsɛk səˈlɒdʒ ɪ kəl/, adjectivesex·ol·o·gist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sexology

Historical Examples

  • Many Normal schools and colleges and private institutions of learning are adopting special instruction in sexology.

    Self Knowledge and Guide to Sex Instruction

    T. W. Shannon

  • We are tolerably familiar with Anglo-American writings on sexology, but we know nothing that equals Mrs. Dennett's brochure.

British Dictionary definitions for sexology


  1. the study of sexual behaviour in human beings
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Derived Formssexologist, nounsexological (ˌsɛksəˈlɒdʒɪkəl), adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for sexology


1902, from sex (n.) + -ology. Related: Sexologist.

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Online Etymology Dictionary, © 2010 Douglas Harper

sexology in Medicine


  1. The study of human sexual behavior.
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Related formssex•olo•gist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.