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leaf spot

noun, Plant Pathology
1.
a limited, often circular, discolored, diseased area on a leaf, usually including a central region of necrosis.
2.
any disease so characterized.
Origin of leaf spot
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for leaf spot

leaf spot

noun
1.
any of various plant diseases, usually caused by fungi: characterized by dark lesions on the leaves
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
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leaf spot in Science
leaf spot  
Any of various plant diseases resulting in well-defined necrotic areas on the leaves.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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7
8
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