də̇ˈsten(t)səbəl adjective
Etymology: Late Latin distens us (past participle of Latin distendere ) + English -ible
: capable of being distended, extended, or dilated : able to stretch or expand or to be stretched or expanded
its stomach … is extraordinarily distensible — R.E.Coker
the arterial walls are … not rigid but elastic and distensible — F.A.Faught