pyrognostics

US:USA pronunciation: respellingUSA pronunciation: respelling(pī′rəg nos′tiks)


WordReference Random House Unabridged Dictionary of American English © 2026
py•rog•nos•tics  (pī′rəg nos′tiks),USA pronunciation n.pl. 
  1. Mineralogythose properties of a mineral that it exhibits when heated, alone or with fluxes, in the blowpipe flame, as the fusibility, intumescence, or other phenomena of fusion, flame coloration, etc.
  • pyro- + gnost(ic) + -ics 1840–50


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