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radula

[ raj-oo-luh ]

noun

, plural rad·u·lae [raj, -, oo, -lee].
  1. a chitinous band in the mouth of most mollusks, set with numerous, minute, horny teeth and drawn backward and forward over the floor of the mouth in the process of breaking up food.


radula

/ ˈrædjʊlə /

noun

  1. a horny tooth-bearing strip on the tongue of molluscs that is used for rasping food
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Derived Forms

  • ˈradular, adjective
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Other Words From

  • radu·lar adjective
  • sub·radu·lar adjective
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Word History and Origins

Origin of radula1

1745–55; < New Latin rādula, Latin: scraper, equivalent to rād ( ere ) to scrape, rub + -ula -ule
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Word History and Origins

Origin of radula1

C19: from Late Latin: a scraping iron, from Latin rādere to scrape
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Example Sentences

Radula, rad′ū-la, n. the tongue or lingual ribbon of a mollusc.

Most numerous was Gigartina radula, just in a state of fructification.

I did my Biology at University College,—getting out the ovary of the earthworm and the radula of the snail, and all that.

Teeth of radula beam-like, and at most three marginal teeth on each side.

Hermaphrodite; head with appendage on right side; radula without central tooth.

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rad/sradwaste