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uredium

 - 3 dictionary results

u⋅re⋅di⋅um

  [yoo-ree-dee-uhm]
Use uredium in a Sentence
–noun, plural -di⋅a  [-dee-uh] . Mycology.
uredinium.
Origin:
< NL; see uredo, -ium

Related forms:
u⋅re⋅di⋅al, adjective

u⋅re⋅din⋅i⋅um

  [yoor-i-din-ee-uhm]
–noun, plural -din⋅i⋅a  [-din-ee-uh] .
Mycology. the fruiting body of the rust fungi that bears urediospores.
Also, uredium.
Also called uredosorus.

Origin:
1905–10; < NL < ūrēdin- (s. of L ūrēdō; see uredo ) + -ium -ium

Related forms:
u⋅re⋅din⋅i⋅al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To uredium
u·re·din·i·um   (yŏŏr'ĭ-dĭn'ē-əm)   
n.   pl. u·re·din·i·a (-dĭn'ē-ə) also u·re·di·a (-dē-ə)
A reddish, pustulelike structure that is formed on the tissue of a plant infected by a rust fungus and produces uredospores.

[New Latin ūrēdinium, from Latin ūrēdō, ūrēdin-, blight, from ūrere, to burn.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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