blue mold
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noun
Also called green mold. any fungus of the genus Penicillium, which forms a bluish-green, furry coating on foodstuffs inoculated by its spores.
Plant Pathology.
- a disease of plants, characterized by necrosis of leaves or fruit and the growth of bluish or grayish mold on affected parts, caused by any of several fungi, as of the genus Penicillium or Peronospora tabacina.
- downy mildew(def 2).
Origin of blue mold
First recorded in 1655–65
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for blue mold
Historical Examples of blue mold
You and your wife Joanna may stagnate here till you blue-mold, for me.
The Midnight QueenMay Agnes Fleming