Webster's Revised Unabridged Dictionary · 1913

Fusible

Fusible , adjective

[French fusible. See Fuse, transitive verb]

Capable of being melted or liquefied.
Collocations (2)
Fusible metal , any alloy of different metals capable of being easily fused, especially an alloy of five parts of bismuth, three of lead, and two of tin, which melts at a temperature below that of boiling water. — Ure
Fusible plug (Steam Boiler) , a piece of easily fusible alloy, placed in one of the sheets and intended to melt and blow off the steam in case of low water.