[het-er-uh-sek-shoo-al-i-tee or, esp. British, -seks-yoo-]

Origin of heterosexuality

First recorded in 1895–1900; hetero- + sexuality
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for heterosexuality

Contemporary Examples of heterosexuality

Historical Examples of heterosexuality

British Dictionary definitions for heterosexuality


  1. sexual attraction to or sexual relations with a person or persons of the opposite sexCompare homosexuality
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 heterosexuality

1900; see heterosexual + -ity.

Online Etymology Dictionary, © 2010 Douglas Harper

heterosexuality in Medicine


  1. Erotic attraction, predisposition, or sexual behavior between persons of the opposite sex.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

heterosexuality in Culture


Sexual attraction between a male and a female. (Compare bisexuality and homosexuality.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.