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blue stain
noun
, Plant Pathology.
- a serious fungal disease of certain trees that reduces the economic value of the timber, caused by various species of the genus Ceratocystis.
blue stain
noun
- forestry a bluish discoloration of sapwood caused by growth of fungi
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Example Sentences
The face and body were painted with red and white ochre and a blue stain.
From Project Gutenberg
The young trapper had, in effect, hit the mark in the very centre, as the blue stain of the bullet testified.
From Project Gutenberg
He looked out to where a channel made a deep blue stain through the paler cerulean of the sea.
From Project Gutenberg
They opened the shirt tenderly, and there, on the right breast, saw a dull blue stain with a crimson thread in the middle of it.
From Project Gutenberg
They may be counted in leukæmic blood with the aid of the triacid or eosine-methylene blue stain.
From Project Gutenberg
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