Category:Protometals

Pro`to*met"als, n. pl.

Defn: 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. -- Pro`to*me*tal"ic (#), a.