Source : Webster's Revised Unabridged Dictionary (1913)

Breakable \Break"a*ble\, a.
   Capable of being broken.

Source : WordNet®

breakable
     adj : capable of being broken or damaged; "earthenware pottery is
           breakable"; "breakable articles should be packed
           carefully" [ant: {unbreakable}]
     n : an article that is fragile and easily broken; "pack the
         breakables separately"