frangible
Concise Oxford English Dictionary © 2008 Oxford University Press:
frangible /ˈfran(d)ʒɪb(ə)l/
▶adjective literary or technical fragile; brittle.
– origin ME: from OFr., or from med. L. frangibilis, from L. frangere ‘to break’.
'frangible' also found in these Oxford entries:

