expendable

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ex·pend·a·ble / ikˈspendəbəl/ • adj. (of an object) designed to be used only once and then abandoned or destroyed: the need for unmanned and expendable launch vehicles. ∎  of little significance when compared to an overall purpose, and therefore able to be abandoned: the region is expendable in the wider context of national politics.DERIVATIVES: ex·pend·a·bil·i·ty / ikˌspendəˈbilitē/ n.ex·pend·a·bly / -əblē/ adv.

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