(literary, archaic) A male homosexual; (specifically) a man engaged in an erotic relationship with an adolescent boy; a pederast.

(astronomy) Of or pertaining to the planet Uranus.

(chiefly science fiction) An inhabitant of the planet Uranus.

(chemistry) uranium

(astronomy) of the heavens

(chemistry) an insoluble binary compound or uranium and nitrogen, (UN)ₙ, used as fuel rods in nuclear reactors

(archaic) A homosexual.

plural of uranist

(chemistry) a binary compound of uranium and fluorine, UF₆; it is a grey solid, or heavy gas, and is used in the uranium enrichment process to produce fuel for nuclear reactors or nuclear weapons

(obsolete) Homosexual.