blue metal

noun

Definitions

  1. Hard dark stone crushed into small pieces used in surfacing roads, for ballast in railway…

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

The neighborhood

Vish — recursive loop

No curated loop yet for blue metal. Loops are being traced one word at a time while the ingestion pipeline matures.

sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA