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soredium

[suh-ree-dee-uh m] /səˈri di əm/
noun, plural soredia
[suh-ree-dee-uh] /səˈri di ə/ (Show IPA)
(in a lichen)
1.
a group of algal cells surrounded by hyphal tissue, occurring on the surface of the thallus and functioning in vegetative reproduction.
Also called brood bud, hologonidium.
Origin
1820-1830
1820-30; < New Latin, diminutive of Greek sōrós a heap
Related forms
sorediate
[suh-ree-dee-it, -eyt] /səˈri di ɪt, -ˌeɪt/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for soredium

soredium

/sɔːˈriːdɪəm/
noun
1.
an organ of vegetative reproduction in lichens consisting of a cluster of algal cells enclosed in fungal hyphae: dispersed by wind, insects, or other means
Word Origin
C19: New Latin, from Greek sōros a heap
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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