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uredinium

[yoo r-i-din-ee-uh m]
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noun, plural u·re·din·i·a [yoo r-i-din-ee-uh] /ˌyʊər ɪˈdɪn i ə/.
  1. Mycology. the fruiting body of the rust fungi that bears urediospores.
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Also uredium.

Origin of uredinium

1905–10; < New Latin < ūrēdin- (stem of Latin ūrēdō; see uredo) + -ium -ium
Also called uredosorus.
Related formsu·re·din·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018