cis
1 of 3adjective
ˈsis 
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
Sue Rodwell Williams2
[by shortening] : cisgender
… this whole experiment is framed within the experiences of a cis woman. Lani Irving
Lani Irving3
genetics : 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 sense 3
CIS
2 of 3abbreviation
Commonwealth of Independent States
cis-
3 of 3prefix
1
: on this side
cislunar
cisatlantic
2
: cis
cis-dichloroethylene
compare trans- sense 2b 
Example Sentences
Recent Examples on the Web Anna Borges, SELF, 22 Oct. 2019 In cis women, nonconcordance happens about 90% of the time, meaning only 10% of the time do their genitals/brains match up. Anna Pulley, chicagotribune.com, 23 Sep. 2019 My first was with my spouse (who is non-binary) and a cis man, the second with my spouse and a cis woman. Irina Gonzalez, Glamour, 12 Sep. 2019 Support organizations and causes that specifically center LGBTQ people and transgender people who need reproductive health care, and not just cis women. Elly Belle, Teen Vogue, 17 May 2019 That has started to change recently, but by and large cis people still hold the power to frame trans lives for the masses. Katelyn Burns, The New Republic, 30 Dec. 2019 As last night’s excellent moderators demonstrated, to get ahead, genders and identities other than cis men have to be nearly superhuman. Andrea Bartz, Marie Claire, 21 Nov. 2019 The news comes after Pose star Mj Rodriguez became the first trans actress to play the cis character Audrey in a main stage production of Little Shop of Horrors. EW.com, 27 Sep. 2019 Rodriguez also lauded Pose for writing trans characters with nuances usually reserved for cis characters. Joe Lynch, Billboard, 8 Aug. 2019 See More
Adjective
This new therapist was cis male, Jewish, and was actually trained in sports psychology. Anna Borges, SELF, 22 Oct. 2019 In cis women, nonconcordance happens about 90% of the time, meaning only 10% of the time do their genitals/brains match up. Anna Pulley, chicagotribune.com, 23 Sep. 2019 My first was with my spouse (who is non-binary) and a cis man, the second with my spouse and a cis woman. Irina Gonzalez, Glamour, 12 Sep. 2019 Support organizations and causes that specifically center LGBTQ people and transgender people who need reproductive health care, and not just cis women. Elly Belle, Teen Vogue, 17 May 2019 That has started to change recently, but by and large cis people still hold the power to frame trans lives for the masses. Katelyn Burns, The New Republic, 30 Dec. 2019 As last night’s excellent moderators demonstrated, to get ahead, genders and identities other than cis men have to be nearly superhuman. Andrea Bartz, Marie Claire, 21 Nov. 2019 The news comes after Pose star Mj Rodriguez became the first trans actress to play the cis character Audrey in a main stage production of Little Shop of Horrors. EW.com, 27 Sep. 2019 Rodriguez also lauded Pose for writing trans characters with nuances usually reserved for cis characters. Joe Lynch, Billboard, 8 Aug. 2019 See More Word History
Etymology
Adjective
Latin, literally, on this side
Prefix
Latin, from cis — more at he
First Known Use
Adjective
1888, in the meaning defined at sense 1
Phrases Containing cis
Medical Definition
cis 1 of 2
adjective
ˈsis
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 sense 2
CIS
2 of 2abbreviation
carcinoma in situ