Pyroligneous, pī-rō-lig′ne-us, adj. procured by the distillation of wood—applied to a kind of acetic acid.—Also Pyrolig′nic, Pyrolig′nous.
Pyrology, pī-rōl-ō-ji, n. the science of heat: a treatise on heat.—n. Pyrol′ogist. [Gr. pyr, pyros, fire, logos, discourse.]
Pyrolusite, pī-rō-lū′sīt, n. native manganese dioxide.
Pyromagnetic, pī-rō-mag-net′ik, adj. pertaining to magnetism as modified by the action of heat.
Pyromancy, pī′rō-man-si, n. divination by fire.—adj. Pyroman′tic. [Gr. pyr, pyros, fire, manteia, divination.]
Pyromania, pī-rō-mā′ni-a, n. a mania for destroying things by fire: insanity which takes this form.—n. Pyromā′niac.—adjs. Pyromā′niac, -al.
Pyrometamorphism, pī-rō-met-a-mor′fizm, n. metamorphism due to heat, as opp. to Hydrometamorphism, that due to water.
Pyrometer, pī-rom′e-tėr, n. an instrument in the form of a metallic bar for measuring the temperature of bodies under heat.—adjs. Pyromet′ric, -al.—n. Pyrom′etry, the science or art of measuring degrees of heat beyond the compass of the mercurial thermometer. [Gr. pyr, fire, metron, a measure.]
Pyromorphous, pī-rō-mor′fus, adj. assuming a crystallised form after fusion by heat. [Gr. pyr, pyros, fire, morphē, form.]
Pyronomics, pī-rō-nom′iks, n. the science of heat.