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Pyrophorus   Listen
noun
Pyrophorus  n.  (Old Chem.) Any one of several substances or mixtures which phosphoresce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead.






Collaborative International Dictionary of English 0.48








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"Pyrophorus" Quotes from Famous Books



... the large tropical firefly which has the seat of its luminosity on the upper surface of the thorax, nothing definite appears to be known; but it has been said that this instinct is altogether nocturnal. The Pyrophorus is only found in the sub-tropical portion of the Argentine country, and I have never met with it. With the widely-separated Cratomorphus, and the tortoise-shaped Aspisoma, which emit the light from the abdomen, I am familiar; one species of Cratomorphus—a long slender insect with yellow wing-cases ...
— The Naturalist in La Plata • W. H. Hudson

... bismuth; and there appears a note to the effect that in Papin's digester "a solution of caustic alkali, aided by heat, made a liquor silicum with pounded flint glass." There is also given a description of a pyrophorus obtained from iron and sulphur. More interesting, however, was the account of the change of place in different kinds of air, "through several interposing substances," in which Priestley recognized distinctly for the first time, the phenomena of gaseous diffusion. There are also references ...
— Priestley in America - 1794-1804 • Edgar F. Smith



Words linked to "Pyrophorus" :   genus Pyrophorus, Elateridae, fire beetle, Pyrophorus noctiluca, family Elateridae



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