allosexual

Short definition from Wiktionary

Adjective

1. 1
   Experiencing sexual attraction; not asexual.
2. 2
   LGB; queer; non-heterosexual.
3. 3
   Directed toward or involving another person rather than (only) oneself.
4. 4
   Involving or directed at the other biological sex; heterosexual; not isosexual.

Noun

1. 1
   One who experiences sexual attraction; one who is not asexual.