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mycorrhizal

- 2 dictionary results

my⋅cor⋅rhi⋅za

[mahy-kuh-rahy-zuh]
–noun, plural -zae [-zee] , -zas. Plant Pathology.
a symbiotic association of the mycelium of a fungus, esp. 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.
Also, my⋅co⋅rhi⋅za.
Also called fungus root.


Origin:
1890–95; myco- + -rrhiza


my⋅cor⋅rhi⋅zal, my⋅co⋅rhi⋅zal, adjective
my·cor·rhi·za or my·co·rhi·za   (mī'kə-rī'zə)   
n.   pl. my·cor·rhi·zae or my·co·rhi·zae (-zē) or my·cor·rhi·zas or my·co·rhi·zas
The symbiotic association of the mycelium of a fungus with the roots of certain plants, such as conifers, beeches, or orchids.

[myco- + Greek rhiza, root; see wrād- in Indo-European roots.]
my'cor·rhi'zal adj.
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