I. ik-ˈspen-də-bəl adjective
Date: 1805
: that may be expended: as
a. : normally used up or consumed in service
expendable supplies like pencils and paper
b. : more easily or economically replaced than rescued, salvaged, or protected
• ex·pend·abil·i·ty -ˌspen-də-ˈbi-lə-tē noun
II. noun
Date: 1942
: one that is expendable — usually used in plural