fluorite
Definizioni
A widely occurring mineral comprising calcium fluoride plus or minus impurities, of various colours, used as a flux in steelmaking, and in the manufacture of glass, enamels and hydrofluoric acid.
Equivalenti
Esempi
“Near-synonym: calcium fluoride”
Livello QCER
B2
Intermedio superiore
Questa parola fa parte del vocabolario QCER B2 — livello intermedio superiore.
Questa parola fa parte del vocabolario QCER B2 — livello intermedio superiore.
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