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8 Wintry Words to Defrost Your Vocabulary

blue stain

noun, Plant Pathology
1.
a serious fungal disease of certain trees that reduces the economic value of the timber, caused by various species of the genus Ceratocystis.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for blue stain

blue stain

noun
1.
(forestry) a bluish discoloration of sapwood caused by growth of fungi
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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