OPISTHOBRANCH

Etymology

Noun

opisthobranch (plural opisthobranches)

(zoology) A gastropod with gills behind the heart, formerly thought to belong to a single group.

Adjective

opisthobranch (not comparable)

(of gills) Placed behind the heart.

Antonym: prosobranch

(of a gastropod) Having gills placed behind the heart.

Antonym: prosobranch

Source: Wiktionary



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Word of the Day

19 June 2025

ROOTS

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