[ trik-ohm, trahy-kohm ]
/ ˈtrɪk oʊm, ˈtraɪ koʊm /
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Botany. an outgrowth from the epidermis of plants, as a hair.
a microorganism composed of many filamentous cells arranged in strands or chains.
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Origin of trichome
OTHER WORDS FROM trichometri·chom·ic [trih-kom-ik, -koh-mik], /trɪˈkɒm ɪk, -ˈkoʊ mɪk/, adjective
Words nearby trichome
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for trichome
/ (ˈtraɪkəʊm, ˈtrɪk-) /
any hairlike outgrowth from the surface of a plant
any of the threadlike structures that make up the filaments of blue-green algae
Derived forms of trichometrichomic (trɪˈkɒmɪk), adjective
Word Origin for trichome
C19: from Greek trikhōma, from trikhoun to cover with hair, from thrix a hair
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
Scientific definitions for trichome
[ trĭk′ōm′, trī′kōm′ ]
One of the hairlike or bristlelike outgrowths on the epidermis of a plant. Trichomes serve a variety of functions, depending on their location. As root hairs (and as leaf hairs in epiphytes), trichomes absorb water and minerals. As leaf hairs, they reflect radiation, lower plant temperature, and reduce water loss. They also provide defense against insects.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.