mycelium

[ mahy-see-lee-uh m ]
/ maɪˈsi li əm /
|

noun, plural my·ce·li·a [mahy-see-lee-uh] /maɪˈsi li ə/. Mycology.

the mass of hyphae that form the vegetative part of a fungus.

Origin of mycelium

1830–40; < New Latin, equivalent to Greek myk- myc- + (h)ḗl(os) wart, nail + New Latin -ium -ium
Related formsmy·ce·li·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mycelium

British Dictionary definitions for mycelium

mycelium

/ (maɪˈsiːlɪəm) /

noun plural -lia (-lɪə)

the vegetative body of fungi: a mass of branching filaments (hyphae) that spread throughout the nutrient substratum
Derived Formsmycelial, adjectivemyceloid (ˈmaɪsɪˌlɔɪd), adjective

Word Origin for mycelium

C19 (literally: nail of fungus): from myco- + Greek hēlos nail
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

Medicine definitions for mycelium

mycelium

[ mī-sēlē-əm ]

n. pl. my•ce•li•a (-lē-ə)

The vegetative part of a fungus, which consists of a mass of branching, threadlike hyphae.
Related formsmy•celi•al null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for mycelium

mycelium

[ mī-sēlē-əm ]

Plural mycelia

The mass of fine branching tubes (known as hyphae) that forms the main growing structure of a fungus. Visible structures like mushrooms are reproductive structures produced by the mycelium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.