Protometals

Definition of Protometals

Pro`to`met´als
n. pl.1.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.
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Prothoracic
Prothorax
Prothyalosome
Protist
Protista
Protiston
Proto-
Proto-Doric
Protocanonical
Protocatechuic
Protocercal
Protococcus
Protocol
Protocolist
Protoconch
Protogine
Protogynous
Protohippus
Protomartyr
Protomerite
-Protometals-
Protomorphic
Protonema
Protonotary
Protoorganism
Protopapas
Protophyte
Protophytology
Protopine
Protoplasm
Protoplasmatic
Protoplasmic
Protoplast
Protoplasta
Protoplastic
Protopodite
Protopope
Protopterus
Protosalt
Protosilicate
Protosomite
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