Chiasma Definition
kī-ăzmə
chiasmas, chiasmata, chiasms
noun
A crossing or intersection of the optic nerves in the hypothalamus of the brain.
Webster's New World
A point of contact between chromosomes during meiosis where two chromatids interchange corresponding segments.
Webster's New World
Any crosswise function.
Webster's New World
Synonyms:
Other Word Forms of Chiasma
Noun
Singular:
chiasmaPlural:
chiasmas, chiasmataOrigin of Chiasma
Greek khīasma cross-piece from khīazein to mark with an X from khei, khī chi (from the letter's shape)
From American Heritage Dictionary of the English Language, 5th Edition
Modern Latin, from Ancient Greek χίασμα (khiasma), from χίαζειν (khiazein, “to mark with the letter chi”).
From Wiktionary
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