aɪ, ˈsoʊr noun
plural of sorus.
Dictionary.com Unabridged
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To sori
00:10
Sori
is always a great word to know.
So is bezoar. Does it mean:
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
Collins
sorus (ˈsɔːrəs) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n , pl -ri | |
| 1. | a cluster of sporangia on the undersurface of certain fern leaves |
| 2. | any of various similar spore-producing structures in some lichens and fungi |
| [C19: via New Latin from Greek sōros a heap] | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Science Dictionary
sorus  (sôr'əs) Pronunciation Key
Plural sori (sôr'ī)
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia
sori
in botany, brownish or yellowish cluster of spore-producing structures (sporangia) usually located on the lower surface of fern leaves. A sorus may be protected during development by a scale or flap of tissue called an indusium. In rust and smut fungi, a sorus is a spore mass produced on the leaf of an infected plant. Reproductive structures called sori also occur in various species of marine algae. See also spore.
Learn more about sori with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
All leaflets with sunken sori and sori with emerging filaments will be removed.
In addition, the sori of fragile fern are nearly round, compared to the more elongate sori of the wall-rue spleenwort.
If you turn one of the fronds over you may see the round sori, clusters of spore-producing structures, on the underside.
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