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[buh-sid-ee-uh] /bəˈsɪd i ə/
plural of basidium.


[buh-sid-ee-uh m] /bəˈsɪd i əm/
noun, plural basidia
[buh-sid-ee-uh] /bəˈsɪd i ə/ (Show IPA).
a special form of sporophore, characteristic of basidiomycetous fungi, on which the sexual spores are borne, usually at the tips of slender projections.
1855-60; bas(is) + -idium
Related forms
basidial, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for basidia
  • Germinating teliospore produces basidia from which tiny basidiospores are formed.
  • The presence of basidia is one of the main characteristic features of the basidiomycota.
British Dictionary definitions for basidia


noun (pl) -ia (-ɪə)
the structure, produced by basidiomycetous fungi after sexual reproduction, in which spores are formed at the tips of projecting slender stalks
Derived Forms
basidial, adjective
Word Origin
C19: from New Latin, from Greek basidion; see basis, -ium
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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basidia in Medicine

basidium ba·sid·i·um (bə-sĭd'ē-əm)
n. pl. ba·sid·i·a (-ē-ə)
A small club-shaped structure typically bearing four spores at the tips of minute projections, unique to Basidiomycetes and used as a distinguishing characterisitic.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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basidia in Science
Plural basidia
A small, specialized, club-shaped structure typically bearing four basidiospores at the tips of minute projections in the fungi known as basidiomycetes. The basidium is unique to basidiomycetes and distinguishes them from other kinds of fungi.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for basidia

in fungi (kingdom Fungi), the organ in the members of the phylum Basidiomycota (q.v.) that bears sexually reproduced bodies called basidiospores. The basidium serves as the site of karyogamy and meiosis, functions by which sex cells fuse, exchange nuclear material, and divide to reproduce basidiospores.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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