cis

adjective \ ˈsis \

Definition of cis

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

Recent Examples of cis from the Web

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Origin and Etymology of cis

Latin, literally, on this side


CIS

abbreviation

Definition of CIS

Commonwealth of Independent States

cis-

prefix

Definition of cis-

1 : on this side
  • cislunar
  • cisatlantic
2 : cis
  • cis-dichloroethylene
— compare trans- 2b

Origin and Etymology of cis-

Latin, from cis — more at he


Medical Dictionary

cis

adjective \ ˈsis \

medical Definition of cis

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 : 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

carcinoma in situ

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to provide what is needed to exist

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