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Meaning of proto-metal | Babel Free

Noun CEFR C1

Definitions

A supposed finer form of a metal, associated with high temperatures and spectral lines similar to those observed in stars.

obsolete

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
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See also

Proto-Mon-Khmer Proto-Mongolic Proto-Mongoloid Proto-Monic Proto-Mordvinic proto-mullet

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