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English definition of “renewable”

renewable

adjective     /rɪˈnjuːəbl/ US   /rɪˈnuːəbl/
NATURAL RESOURCES, ENVIRONMENT relating to forms of energy that are produced using the sun, wind, etc., or from crops, rather than those using fuels such as oil or coal: renewable electricity/fuel/power renewable materials/resources Sorghum is a brand new cash crop that can be burned as a fuel and is therefore a renewable source of energy.
LAW if an agreement or an official document is renewable, its use can be continued for an extra period of time: a renewable lease The initial contract is for two years, renewable annually by mutual agreement.
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(Definition of renewable adjective from the Cambridge Business English Dictionary © Cambridge University Press)
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