monosexual
/ˌmɒnə(ʊ)ˈsɛkʃʊəl/ /ˌmɒnə(ʊ)ˈsɛkʃ(ʊ)l/ /ˌmɒnə(ʊ)ˈsɛksjʊ(ə)l/adjective
1Composed of individuals all of the same sex; suited to or involving one sex only.
2 Zoology. Having the male and female reproductive organs in different individuals; dioecious; producing only one kind of gamete (male or female), not hermaphroditic.
3Sexually attracted to members of one sex exclusively; not bisexual.
noun
A person who is sexually attracted to members of one sex exclusively.
Origin
Late 19th century; earliest use found in The Philosophical Review. From mono- + sexual noun.