PROTOMETALS n.
A finer form of metals, indicated by enhanced lines in their spark spectra (which are also observed in the spectra of some stars), obtained at the highest available laboratory temperatures (Lockyer); as protocalcium, protochromium, protocopper, protonickel, protosilicon, protostrontium, prototitanium, protovanadium. --…
ROMAN a.
rework (generally held in the hand), characterized by the continued emission of shower of sparks, and the ejection, at intervals, of brilliant balls or stars of fire which are thrown upward as they become ignited. -- Roman Catholic, of, pertaining to, or the religion of that church of which the pope is the spiritual h…