tomentum
Americannoun
plural
tomentanoun
-
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
Other Word Forms
- tomentose adjective
Etymology
Origin of tomentum
1690–1700; < New Latin tōmentum, Latin: stuffing (of wool, hair, etc.) for cushions
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The surface is covered with a fine and dense tomentum.
From Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. by Atkinson, George Francis
The stem is twisted, subcompressed, sprinkled with a mealy tomentum above, umber below, hollow, rather long, unequal.
From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha
It bears short-stalked ovate or oblong leaves, with strongly marked veins, and covered with a soft tomentum or down.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" by Various
Pileus convex or expanded, dry, clothed with a very minute appressed tomentum, whitish.
From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha
The stem is sufficiently stout, unequal below, attenuated, flexuous or curved, smooth, of the same color as the cap, base acute, white tomentum outside, inside light pale-blue, or dark-gray.
From The Mushroom, Edible and Otherwise Its Habitat and its Time of Growth by Hard, Miron Elisha
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
