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aecium

[ee-see-uh m, ee-shee-]
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noun, plural ae·ci·a [ee-see-uh, ee-shee-uh] /ˈi si ə, ˈi ʃi ə/. Mycology.
  1. the fruiting body of rust fungi, which bears chainlike or stalked spores.
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Origin of aecium

< New Latin < Greek aikíā assault, injury; see -ium
Related formsae·ci·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for aecium

aecium

aecidium (iːˈsɪdɪəm)

noun plural -cia (-sɪə) or -cidia (-ˈsɪdɪə)
  1. a globular or cup-shaped structure in some rust fungi in which aeciospores are produced
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Word Origin

C19: New Latin, from Greek aikia injury (so called because of the damage the fungi cause)
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
aecium in Science

aecium

[ē′sē-əm, ē′shē-əm]
Plural aecia (ē′sē-ə, ē′shē-ə)
  1. A cuplike structure of some rust fungi that contains chains of aeciospores. Aecia usually form on the bottom surface of leaves.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.