/ ˌhetərəˈsekʃuəl; NAmE / noun
a person who is sexually attracted to people of the opposite sex
—compare bisexual , homosexual
► het·ero·sex·ual adjective :
a heterosexual relationship
► het·ero·sexu·al·ity / ˌhetərəˌsekʃuˈæləti; NAmE / noun [ U ]
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WORD ORIGIN
late 19th cent.: from hetero- + sexual .