non-renewable
adjective
ukus ENVIRONMENT, NATURAL RESOURCES
relating to materials, etc. that are not able to be replaced:
non-renewable resources/fuels Green power is displacing power that would have come from a non-renewable source.
LAW
if an agreement or an official document is non-renewable, its use cannot be continued for an extra period of time:
This contract is valid for a period of two years, and is non-renewable.
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renewable
non-renewable
noun
ENVIRONMENT, NATURAL RESOURCES ukusnon-renewables
[ plural ]
a type of energy that cannot be replaced after it has been used:
Investment in renewables has outstripped non-renewables for the second year in succession.
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renewables