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[tuh-men-tuh m] /təˈmɛn təm/
noun, plural tomenta
[tuh-men-tuh] /təˈmɛn tə/ (Show IPA).
Botany, Entomology.
pubescence consisting of longish, soft, entangled hairs pressed close to the surface.
Origin of tomentum
1690-1700; < New Latin tōmentum, Latin: stuffing (of wool, hair, etc.) for cushions Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for tomentum


noun (pl) -ta (-tə)
a feltlike covering of downy hairs on leaves and other plant parts
a network of minute blood vessels occurring in the human brain between the pia mater and cerebral cortex
Derived Forms
tomentose (təˈmɛntəʊs) adjective
Word Origin
C17: New Latin, from Latin: stuffing for cushions; related to Latin tumēre to swell
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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tomentum in Medicine

tomentum to·men·tum (tō-měn'təm)
n. pl. to·men·ta (-tə)
A network of extremely small blood vessels passing between the pia mater and the cerebral cortex.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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