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Meaning of proto-titanium | Babel Free

Noun CEFR C2

Definitions

The proto-metal form of titanium.

obsolete, uncountable

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

Proto-Tocharian Proto-Trans-New Guinea Proto-Tungusic Proto-Turkic Proto-Uralic proto-Uranus