heterosexuality

heterosexuality definition - medical

het·er·o·sex·u·al·i·ty (hĕtˌə-rō-sĕkˌsho͞o-ălˈĭ-tē)

noun
Erotic attraction, predisposition, or sexual behavior between persons of the opposite sex.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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