\ ˈsis How to pronounce cis (audio) \

Definition of cis

 (Entry 1 of 3)

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
3 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

Definition of CIS (Entry 2 of 3)

Commonwealth of Independent States

cis-

prefix

Definition of cis- (Entry 3 of 3)

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

Examples of cis in a Sentence

Recent Examples on the Web: Adjective This new therapist was cis male, Jewish, and was actually trained in sports psychology. Anna Borges, SELF, "13 Therapy Success Stories That Will Help You Find Your Own Therapist," 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, "Ask Anna: Is my husband attracted to his adult stepdaughter?," 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, "Threesome Tips from 13 Real Women Who've Had One," 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, "Where to Donate and How to Help Keep Abortion Legal," 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, "When “Biology” Becomes a Cover for Anti-Trans Bigotry," 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, "The Real Winner of Last Night's Debate: The All-Female Moderating Team," 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, "Transparent star Alexandra Billings joins Wicked as cast's first trans actress," 27 Sep. 2019 Rodriguez also lauded Pose for writing trans characters with nuances usually reserved for cis characters. Joe Lynch, Billboard, "'Pose' Cast Calls Out Cis Actors Taking Trans Roles at Billboard & THR Pride Summit," 8 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cis

Adjective

1888, in the meaning defined at sense 1

History and Etymology for cis

Adjective

Latin, literally, on this side

Prefix

Latin, from cis — more at he

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Statistics for cis

Cite this Entry

“Cis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cis. Accessed 24 Sep. 2020.

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More Definitions for cis

\ ˈsis How to pronounce cis (audio) \

Medical Definition of cis

 (Entry 1 of 2)

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

Medical Definition of CIS (Entry 2 of 2)

carcinoma in situ

Comments on cis

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