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blackfire

American  
[blak-fahyuhr] / ˈblækˌfaɪər /

noun

Plant Pathology.

  1. a disease of tobacco, characterized by angular, dark lesions on the leaves, caused by a bacterium, Pseudomonas angulata.

Etymology

Origin of blackfire

black + fire

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.