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tegmen

[teg-muh n]
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noun, plural teg·mi·na [teg-muh-nuh] /ˈtɛg mə nə/.
  1. a cover, covering, or integument.
  2. Botany. the delicate inner integument or coat of a seed.
  3. (of certain orthopterous insects) one of a pair of leathery forewings that forms a protective covering for the hind wings.
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Origin of tegmen

1800–10; < Latin: covering (also tegumen, tegimen with anaptyctic vowel), equivalent to teg(ere) to cover + -men noun suffix
Related formsteg·mi·nal [teg-muh-nl] /ˈtɛg mə nl/, adjectivesub·teg·mi·nal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for tegmen

tegmen

noun plural -mina (-mɪnə)
  1. either of the leathery forewings of the cockroach and related insects
  2. the delicate inner covering of a seed
  3. any similar covering or layer
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Derived Formstegminal, adjective

Word Origin

C19: from Latin: a cover, variant of tegimen, from tegere to cover
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

tegmen in Medicine

tegmen

(tĕgmən)
n. pl. teg•mi•na (-mə-nə)
  1. A covering or an integument of a part.tegmentum
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

tegmen in Science

tegmen

[tĕgmən]
  1. A covering or integument, such as the tough leathery forewing of certain insects or the inner coat of a seed.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.