EPIPHRAGM

Noun

epiphragm (plural epiphragms)

(zoology) A dry layer of mucus used by a snail or mollusk to seal itself inside its shell during hibernation.

(botany) The dilated apex of the columella in urn mosses.

Source: Wiktionary


Ep"i*phragm, n. Etym: [Gr. (Zoöl.)

Definition: A membranaceous or calcareous septum with which some mollusks close the aperture of the shell during the time of hibernation, or æstivation.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

18 September 2024

FANJET

(noun) a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust


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