• synonyms


[ het-uh-roh ]
/ ˈhɛt əˌroʊ /


Chemistry. of or relating to an atom other than carbon, particularly in a cyclic compound.
Informal. heterosexual.

noun, plural het·er·os.

Informal. a heterosexual person.


queerRead more in this article about some frequently asked questions and fun facts related to our definitions.

Nearby words

hetaeristic, hetaira, heterarchy, heteraxial, heteresthesia, hetero, hetero-, heteroagglutinin, heteroantibody, heteroantiserum, heteroaromatic

Origin of hetero

1930–35 for def 2; (in def 1) by shortening of heteroatom; (in def 2) by shortening of heterosexual; see -o Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for heteros

  • The company is launching a straight version this week (code name: Amicus) that will cater to heteros.

    Hit Gay iPhone App Goes Straight|Itay Hod|September 7, 2011|DAILY BEAST

British Dictionary definitions for heteros


/ (ˈhɛtərəʊ) informal /

noun, adjective plural -os

short for heterosexual
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