non·re·new·a·ble (nŏnrĭ-nə-bəl, -ny-)
adj.
► That cannot be renewed:
a nonrenewable license.
► Of or relating to an energy source, such as oil or natural gas, or a natural resource, such as a metallic ore, that is not replaceable after it has been used.

[TahlilGaran] American Dictionary ▲