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mycorrhiza

or my路co路rhi路za

[ mahy-kuh-rahy-zuh ]
/ 藢ma瑟 k蓹藞ra瑟 z蓹 /
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noun, plural my路cor路rhi路zae [mahy-kuh-rahy-zee], /藢ma瑟 k蓹藞ra瑟 zi/, my路cor路rhi路zas.Plant Pathology.
a symbiotic association of the mycelium of a fungus, especially a basidiomycete, with the roots of certain plants, in which the hyphae form a closely woven mass around the rootlets or penetrate the cells of the root.
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Also called fungus root.

Origin of mycorrhiza

First recorded in 1890鈥95; myco- + -rrhiza

OTHER WORDS FROM mycorrhiza

my路cor路rhi路zal, my路co路rhi路zal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2021

British Dictionary definitions for mycorrhiza

mycorrhiza

mycorhiza

/ (藢ma瑟k蓹藞ra瑟z蓹) /

noun plural -zae (-zi藧) or -zas
an association of a fungus and a plant in which the fungus lives within or on the outside of the plant's roots forming a symbiotic or parasitic relationshipSee ectotrophic mycorrhiza, endotrophic mycorrhiza

Derived forms of mycorrhiza

mycorrhizal or mycorhizal, adjective

Word Origin for mycorrhiza

C19: from myco- + Greek rhiza root
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for mycorrhiza

mycorrhiza
[ m墨鈥瞜蓹-r墨z蓹 ]

The symbiotic association of the mycelium of a fungus with the roots of plants. The majority of vascular plants have mycorrhizae. The fungus assists in the absorption of minerals and water from the soil and defends the roots from other fungi and nematodes, while the plant provides carbohydrates to the fungus. There are two kinds of mycorrhizae: endomycorrhizae, in which the fungal hyphae enter the cells of the root cortex, and ectomycorrhizae, in which they surround the cells.
The American Heritage庐 Science Dictionary Copyright 漏 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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