chiasma

C3H4I1A1S1M3A1
UK/kaɪˈæzmə/

noun

A crossing of two nerves, ligaments etc.

Scrabble 14

Meanings

nounchiasma (plural chiasmas or chiasmata)

plural chiasmas · plural chiasmata · alternative chiasm

  1. anatomyA crossing of two nerves, ligaments etc.
  2. biologyThe contact point between the two chromatids of a chromosome during meiosis.
  3. uncommonAn instance of chiasmus.

Synonyms & antonyms

nounan intersection or crossing of two tracts in the form of the letter X

Broader
structureanatomical structurecomplex body part
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekχῖ (khî)
  2. Ancient Greekχῑᾰ́ζω (khīắzō)
  3. Ancient Greekχῑ́ασμα (khī́asma)
  4. New Latinchiasma
  5. Englishchiasma

From New Latin chiasma, from Ancient Greek χῑ́ασμα (khī́asma), from χῑάζω (khīázō, “to mark with an X”).

Full word history & related roots →

Translations

Hungarian kiazma
  • kiazmathe contact point between the two chromatids of a chromosome during meiosis
Persian کیازما, چلیپا
  • کیازما (kiyâzmâ)the contact point between the two chromatids of a chromosome during meiosis
  • چلیپا (čalipâ)the contact point between the two chromatids of a chromosome during meiosis
Polish chiazma
  • chiazmathe contact point between the two chromatids of a chromosome during meiosis
Russian хиа́зма
  • хиа́зма (xiázma)the contact point between the two chromatids of a chromosome during meiosis
Spanish quiasma
  • quiasmathe contact point between the two chromatids of a chromosome during meiosis
Tagalog sulingkap
  • sulingkapthe contact point between the two chromatids of a chromosome during meiosis

Rhymes & wordplay

Rhymes with chiasma

All rhymes →

Anagrams

Cite this entry
APA

chiasma. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/chiasma

MLA

“chiasma.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/chiasma. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “chiasma,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/chiasma.

Source: chiasma on Wiktionary, CC BY-SA 4.0.