Blackfire
a disease of tobacco, characterized by angular, dark lesions on the leaves, caused by a bacterium, Pseudomonas angulata.
Read Also:
- Blackfish
any of various dark-colored fishes, as the tautog, Tautoga onitis, or the sea bass, Centropristes striatus. a small, freshwater food fish, Dallia pectoralis, found in Alaska and Siberia, noted for its ability to survive frozen in ice. black whale. Contemporary Examples ‘Blackfish’ Director: Killer Whales Don’t Belong in Captivity Gabriela Cowperthwaite October 23, 2013 Long […]
- Black-flag
a pirate flag, usually of black cloth with a white skull and crossbones on it; Jolly Roger. a flag having two yellow and two black squares, signifying the letter L in the International Code of Signals: formerly so called when used by itself to indicate the presence of cholera on board a vessel. a signal […]
- Black-fly
any of the minute, black gnats of the dipterous family Simuliidae, having aquatic larvae. Historical Examples Handbook of Medical Entomology William Albert Riley The Prairie Child Arthur Stringer Handbook of Medical Entomology William Albert Riley Gardening for the Million Alfred Pink Tales of lonely trails Zane Grey Handbook of Medical Entomology William Albert Riley noun […]
- Black-flux
a reducing flux consisting of finely divided carbon and potassium carbonate.
- Black-fog
(in Cape Cod, Mass.) a dense fog.