Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A reddish pustulelike structure that is formed in the tissue of a plant infected by a rust fungus and produces urediniospores.

from The Century Dictionary.

  • noun A name used by Arthur for the uredosorus of uredineal fungi.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biology The reddish pustule that occurs on the leaves of a plant infected with rust fungus

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[New Latin ūrēdinium, from Latin ūrēdō, ūrēdin-, blight, from ūrere, to burn.]

Examples

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