Word.ws English Dictionary

cis

/sɪs/

cis adjective: having two mutations on two genes on the same chromosome of a homologous pair.

Adjective (1)

cis (not comparable)

  1. Having two mutations on two genes on the same chromosome of a homologous pair.
  2. Of the side of the Golgi apparatus nearer to the endoplasmic reticulum.
  3. (physical) In (or constituting, forming, or describing) a double bond in which the greater radical on both ends is on the same side of the bond.
    • 9 is thought to survive longer when the CH = CH bond is cis and to favour the formation of another cis double bond in a propagation reaction involving its displacement by monomer. 10, on the other hand, is more likely to yield a trans double bond […]1984, American Chemical Society. Division of Polymer Chemistry, Papers Presented at the ... Meeting
    • However, a cis double bond causes a kink in the chain. (A cis double bond introduces a bend of about 42 into the linear hydrocarbon chain.)2007, Vickie A. Vaclavik, Elizabeth W. Christian, Essentials of Food Science, Springer Science & Business Media, →ISBN, page 277
  4. (physical) In (or constituting, forming, or describing) a coordination compound in which the two instances of a particular ligand are adjacent to each other.
    • The cis effect is the labilization of ligands which are cis to certain other ligands.

Adjective (2)

cis (not comparable)

  1. Cisgender (or sometimes cissexual): not trans (transgender or transsexual) nor non-binary.
    • We're demonized and criminalized as perverts out to trick and deceive cis hetero men; therefore anything that happens to us, we 'had coming.'2017 November 21, Trish Bendix, quoting Ashlee Marie Preston, “Why it matters that transgender women are speaking out about Jeffrey Tambor — and that people are listening”, in Yahoo! Lifestyle
    • Oh yeah, because you know who's been long overdue a challenge? The trans community. Oh, they've had their guard down for too long if you ask me. They'll all be checking their privilege on the way home now thanks to you, you brave little cis boy!2019 January 17, James Acaster: Cold Lasagne Hate Myself 1999, spoken by James Acaster

Noun (1) capitalized: CIS

CIS (plural CISes)

  1. (abbreviation, initialism) Initialism of contact image sensor.
    • Because of its tabloid-size scanbed, the Plug-n-Scan has a large footprint that makes it very stable. On the other hand, being a CIS scanner, it's light and has a very low profile and is designed so that the scanner can be stood upright on its end and still function.1998, PC Mag, volume 17, number 18, page 179
  2. (abbreviation, initialism) Initialism of clinical information system.
  3. (abbreviation, initialism) Initialism of clinically isolated syndrome.
  4. (abbreviation, initialism) Initialism of customer information screen.

Proper noun capitalized: CIS

CIS

  1. (Commonwealth, abbreviation, initialism) Initialism of Commonwealth of Independent States.
  2. (UK, abbreviation, initialism) Initialism of Construction Industry Scheme.
  3. (Canada, abbreviation, historical, initialism) Initialism of Canadian Interuniversity Sport.
  4. (Philippines, abbreviation, initialism) Initialism of Clark International Speedway.
  5. (abbreviation, initialism) Initialism of Center for Immigration Studies.
    • Bensman joins Jon Feere, another CIS alumnus who rejoined the Trump administration as ICE’s chief of staff. CIS Executive Director Mark Krikorian reposted DHS’ “Which Way, American Man” ad on X.2025 August 28, Caleb Kieffer, R.G. Cravens, “Homeland Security deploys white nationalist, anti-immigrant graphics to recruit”, in Southern Poverty Law Center

Adjective (3) capitalized: CIS

CIS (not comparable)

  1. (proscribed) Alternative letter-case form of cis (“cisgender”).

Noun (2) capitalized: CIs

CIs

  1. (plural) plural of CI

cis meaning in Hindi, Marathi, Urdu and Bengali

cis in Hindi

सी. आई. एस, सी. आइ. एस, सीआईएस

cis in Marathi

सी. आय. एस, सी. आई. एस

cis in Urdu

سی آئی ایس, سی۔ آئی۔ ایس

cis in Bengali

সি. আই. এস
More languagesFewer languages
cis in Telugu
సి. ఐ. ఎస్, సిస్, సిఐఎస్
cis in Malayalam
സി. ഐ. എസ്
cis in Kannada
ಸಿ. ಐ. ಎಸ್, ಸಿಐಎಸ್, ಸಿಸ್
cis in Punjabi
ਸੀ. ਆਈ. ਐੱਸ, ਸੀ. ਆਈ. ਐਸ, ਸੀਆਈਐੱਸ
cis in Gujarati
સી. આઈ. એસ, સી. આઇ. એસ, સીઆઇએસ
cis in Odia
ସି. ଆଇ. ଏସ୍, ସି. ଆଇ. ଏସ

Examples of cis in a sentence

  • A cis double bond is one where the hydrogen atoms are both on the same side.2015, William P Edwards, The Science of Bakery Products, Royal Society of Chemistry, →ISBN, page 26:
  • My privilege as a young cis white man whose parents weren't going to let me drown afforded me the ability to make those mistakes and live to talk about it.2019 September 24, Jonathan Van Ness, Over the Top: A Raw Journey to Self-Love, HarperCollins, →ISBN, pages 117–118:

All 30 example sentences with cis

Antonyms of cis

Forms of cis

Adjective
alternative proscribedCIS
Noun
pluralCISes

Origin of cis

From Latin cis (“on this side (of), on the near or same side”). Doublet of he, it, here, hither, and hence.

Clipping of cisgender or cissexual, ultimately from Latin cis.

Initialisms.

Words formed from cis

Phrases with cis

Words that rhyme with cis

22 more rhymesFewer rhymes

Questions about cis

What does cis mean?
Cis means having two mutations on two genes on the same chromosome of a homologous pair.
What is cis in Hindi?
Cis in Hindi is सी. आई. एस, सी. आइ. एस, सीआईएस. See Cis meaning in Hindi.
How do you use cis in a sentence?
A cis double bond is one where the hydrogen atoms are both on the same side.
What part of speech is cis?
Cis can be an adjective, a noun or a proper noun.
How do you pronounce cis?
Cis is pronounced /sɪs/.

Words near cis in the dictionary

  1. cirsoid
  2. CIRT
  3. ciruela
  4. cirurgical
  5. ciré
  6. cis
  7. cis boy
  8. cis effect
  9. cis effects
  10. cis female
  11. cis females

Source and license

Adapted from Wiktionary: cis (page history and authors); CIS (page history and authors); CIs (page history and authors); cis (Hindi, IndicTrans2 machine translation) (model and license); cis (Marathi, IndicTrans2 machine translation) (model and license); cis (Urdu, IndicTrans2 machine translation) (model and license); cis (Bengali, IndicTrans2 machine translation) (model and license); cis (Telugu, IndicTrans2 machine translation) (model and license); cis (Malayalam, IndicTrans2 machine translation) (model and license); cis (Kannada, IndicTrans2 machine translation) (model and license); cis (Punjabi, IndicTrans2 machine translation) (model and license); cis (Gujarati, IndicTrans2 machine translation) (model and license); cis (Odia, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-cis-pronounciation.ogg, LL-Q1860 (eng)-Vealhurl-CIS.wav.

Cite this entry: “cis.” Word.ws, https://word.ws/cis. Based on Wiktionary, CC BY-SA 4.0.