[1] : The Collaborative International Dictionary of English v.0.48

fusible \fu"sible\, a. f. fusible. see fuse, v. t.
   capabie of being melted or liquefied.
   1913 webster

   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.
      1913 webster
see also:
fuse fusible metal fusible plug 

[2] : WordNet (r) 2.0

fusible
     adj : capable of being melted and fused

Fusible >> F Words
Fusible, definition of term: Fusible
fusible_pag1.html