Word.ws English Dictionary

cys

cys is the alternative form of cis.

Meaning of cis

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
  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

Noun capitalized: CYs

CYs

  1. (plural) plural of CY

Questions about cys

What is cys the alternative form of?
Cys is the alternative form of cis.
What part of speech is cys?
Cys is a noun.

Words near cys in the dictionary

  1. cyrtos
  2. Cyrus
  3. Cyruses
  4. Cyrus–Beck algorithm
  5. Cyryl
  6. cys
  7. cyser
  8. cysers
  9. Cyssus
  10. cyst
  11. cystacanth

Source and license

Adapted from Wiktionary: cys (page history and authors); CYs (page history and authors); cis (page history and authors). 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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Cite this entry: “cys.” Word.ws, https://word.ws/cys. Based on Wiktionary, CC BY-SA 4.0.