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sclerotium

[skli-roh-shee-uh m] /sklɪˈroʊ ʃi əm/
noun, plural sclerotia
[skli-roh-shee-uh] /sklɪˈroʊ ʃi ə/ (Show IPA).
Mycology
1.
a vegetative, resting food-storage body in certain higher fungi, composed of a compact mass of hardened mycelia.
Origin
1810-1820
1810-20; < New Latin; see sclerotin, -ium
Related forms
sclerotial
[skli-roh-shuh l] /sklɪˈroʊ ʃəl/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for sclerotial

sclerotium

/sklɪəˈrəʊʃɪəm/
noun (pl) -tia (-ʃɪə)
1.
a compact mass of hyphae, that is formed by certain fungi and gives rise to new fungal growth or spore-producing structures
Derived Forms
sclerotioid, sclerotial, adjective
Word Origin
C18: from New Latin, from Greek sklēros hard
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
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Encyclopedia Article for sclerotial

sclerotium

a persistent, vegetative, resting spore of certain fungi (e.g., Botrytis, Sclerotium). It consists of a hard, dense, compact mycelium (mass of filaments that make up the body of a typical fungus) that varies in form and has a dark-coloured covering. Size varies from a few cells to many; sometimes masses up to 10 cm (4 inches) are formed. The sclerotia of Rhizoctonia are common on potato tubers. The sclerotia of ergot (q.v.) are poisonous to animals, including humans.

Learn more about sclerotium with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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