1) Ammunition 1) Brittleness 
A material is said to be frangible if through deformation it tends to break up into fragments, rather than deforming plastically and retaining its cohesion as a single object. Common cookies or crackers are examples of frangible materials, while fresh bread, which deforms elastically, is not frangible. A structure is frangible if it breaks, distor...
• (n.) The state or quality of being frangible.
Fran`gi·bil'i·ty noun [ Confer French frangibilité .] The state or quality of being frangible. Fox.