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Meaning of blue metal | Babel Free

Noun CEFR B2

Definitions

Hard dark stone crushed into small pieces used in surfacing roads, for ballast in railway tracks, etc; gravel; road metal.

Australia, New-Zealand, uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

blue mold blue Monday blue money blue monkey blue moon Blue Mountains