- cisgender or cissexual: He may not be macho, but he's definitely a cis male.
- a person who is cisgender or cissexual.
- a prefix occurring in loanwords from Latin meaning “on the near side of; on this side of” (cisalpine); on this model, used in the formation of compound words (cisatlantic).
- a specialization of this denoting a geometric isomer having a pair of identical atoms or groups attached on the same side of two atoms linked by a double bond.
- a prefix meaning “on the same side of,” referring to the alignment of one’s gender identity with one’s sex assigned at birth (cisgender; cissexual).
- Commonwealth of Independent States.
- Commonwealth of Independent States
- on this or the near side of
- (often in italics) indicating that two groups of atoms in an unsaturated compound lie on the same side of a double bond