cis

play
adjective \ˈsis\

Definition of cis

  1. 1 chemistry :  characterized by having certain atoms or groups of atoms on the same side of the longitudinal axis of a double bond or of the plane of a ring in a molecule … this process changes the cis form of naturally occurring fats to the trans form … — Sue Rodwell Williams

  2. 2 [by shortening] :  cisgender … this whole experiment is framed within the experiences of a cis woman. — Lani Irving

Origin and Etymology of cis

Latin, literally, on this side


First Known Use: 1888


CIS

abbreviation

Definition of CIS

  1. Commonwealth of Independent States


cis-

prefix

Definition of cis-

  1. 1 :  on this side cislunar cisatlantic

  2. 2 usually italic :  cis cis-dichloroethylene — compare trans- 2b

Origin and Etymology of cis-

Latin, from cis — more at he


Medical Dictionary

cis

play
adjective \ˈsis\

Medical Definition of cis

  1. 1:  characterized by having certain atoms or groups of atoms on the same side of the longitudinal axis of a double bond or of the plane of a ring in a molecule

  2. 2:  relating to or being an arrangement of two very closely linked genes in the heterozygous condition in which both mutant alleles are on one chromosome and both wild-type alleles are on the homologous chromosome—compare trans 2


CIS

abbreviation

Medical Definition of CIS

  1. carcinoma in situ

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