/het"euh roh'/ , adj., n., pl. heteros .
adj.
1. Chem. of or pertaining to an atom other than carbon, particularly in a cyclic compound.
2. Informal. heterosexual.
n.
3. Informal. a heterosexual person.
[ 1930-35 for def. 2; (in def. 1) by shortening of HETEROATOM; (in def. 2) by shortening of HETEROSEXUAL; see -O ]