Pyro metamorphism

i pi-romet - am - orffism. Metamorphism resulting from the action of heat. Dyrometer (pi-rom'-ei-er). instrument for measuring the intensity of heat of too high a degree to be estimated by the ordinary thermometer. P., Optic. A photometer used as a meter, on the principle that the luminosity of a body is proportionate to its temperature. (pi-ro-met'-rik). Pertaining to the pyrometer. 'yronaphtha (pi-ro-naf '-thah). See Burning Oil. Tyrone chelidonic Pyro com ane acids; a substancepi'-ron formed, comanic are heated to 2500 C. It is a neutral solid readily j soluble in water; it melts at 32. 50 C, and boils at 1 about 3 1 50 C. (pi-ro-pem' '-fig-us). Pemphigus attended with fever. syriaca. Synonym of Aleppo Boil. j-'yrophobia (pi-ro-fo'-be-ah). Morbid dread of fire. pyrophosphate (pi-rofos'-faf). A salt of pyrophosphoric acid. Acid (pi-ro-fos-for'-ik). See Acid . 'yroptothymia (pi-rop-to-thi'-me-ah). A form of insanity in which the person imagines himself enveloped in flame. pi-ro-pungk' -tilr. Puncturing with hot needles. gyroscope (pi'-ro-skop). An instrument employed in determining the intensity of thermal radiation.;yrosin 1 pi' -rosin. Same as Erythrosin. yrosis 1 pi-ro'-sis. An affection of the stomach characterized by a burning sensation, accompanied by eructations of an acrid, irritating fluid. "Heartburn." P., Oatmeal. See Oatmeal Pyrosis.