CHIASMA

chiasma, chiasm, decussation

(noun) an intersection or crossing of two tracts in the form of the letter X

Source: WordNet® 3.1


Etymology

Noun

chiasma (plural chiasmas or chiasmata)

(anatomy) A crossing of two nerves, ligaments etc.

(genetics, cytology) The contact point between the two chromatids of a chromosome during meiosis.

Anagrams

• Machias, sachima

Source: Wiktionary


Chi"asm, Chi*as"ma, n. Etym: [NL. chiasma, fr. Gr. (Anat.)

Definition: A commissure; especially, the optic commissure, or crucial union of the optic nerves.

– Chi*as"mal (, a..

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 June 2025

ROOTS

(noun) the condition of belonging to a particular place or group by virtue of social or ethnic or cultural lineage; “his roots in Texas go back a long way”; “he went back to Sweden to search for his roots”; “his music has African roots”


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Coffee Trivia

The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.

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