heterosexualism
he·te·ro·sexualism
noun
1.
a sexual attraction to (or sexual relations with) persons of the opposite sex
Origin
From heterosexual + -ism.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.