Pyrognostic Pyr`og*nos"tic, a. [Pyro- + Gr. ? to know.] (Min.) Of or pertaining to characters developed by the use of heat; pertaining to the characters of minerals when examined before the blowpipe; as, the pyrognostic characters of galena. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • pyrognostic — |pīrəg|nästik adjective Etymology: International Scientific Vocabulary pyr + gnostic : relating to or developed by the use of heat especially as applied by a blowpipe * * * pyrognostic /pī rog nosˈtik/ adjective (see ↑ gnostic under ↑gnosis)… …   Useful english dictionary

  • pyrognostic — adjective of, relating to, or revealed by pyrognostics …   Wiktionary

  • pyrognostic — py·rog·nos·tic …   English syllables

  • Blowpipe (tool) — The Blowpipe is a narrow tube by means of which a stream or jet of air or a specific gas or gas mix can be directed onto a flame to concentrate or increase heat. Jewelers and glassmakers have used the blowpipe since ancient times, with the blast… …   Wikipedia

  • pyrognostics — noun The characteristics of a substance, especially of a mineral or metal salt, that are revealed by heat, especially by the use of a blowpipe and a charcoal block. See Also: pyrognostic …   Wiktionary

  • pyrognostics — /paɪrɒgˈnɒstɪks/ (say puyrog nostiks) plural noun those properties of a mineral which it exhibits when heated, alone or with fluxes, in the blowpipe flame, as the fusibility, intumescence, or other phenomena of fusion, flame colouration, etc.… …   Australian English dictionary

  • pyrognomic —   a. easily made incandescent.    ♦ pyrognostic, a. pertaining to, of characteristics produced by, heat, especially as shown by blowpipe analysis …   Dictionary of difficult words

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