• (n. pl.) 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.Protometals: word...
Found on
http://thinkexist.com/dictionary/meaning/protometals/
Pro`to·met'als noun plural 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...
Found on
http://www.encyclo.co.uk/webster/P/181
No exact match found.
