pyrognostics

[ pahy-ruhg-nos-tiks ]

plural noun

1. those 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.

pyrognostics

/ ˌpaɪrɒɡˈnɒstɪks /

plural noun

1. the characteristics of a mineral, such as fusibility and flame coloration, that are revealed by the application of heat

Word History and Origins

Origin of pyrognostics¹

First recorded in 1840–50; pyro- + gnost(ic) + -ics

Word History and Origins

Origin of pyrognostics¹

C19: from pyro- + -gnostics, from Greek gnōsis knowledge