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re‧new‧a‧ble
1 if an agreement or official document is renewable, you can make it continue for a further period of time after it ends [≠ non-renewable]: 
It's a six-month lease but it's renewable.a renewable visa
It's a six-month lease but it's renewable.a renewable visa2 [usually before noun] renewable energy replaces itself naturally, or is easily replaced because there is a large supply of it :
WORD FOCUS: environment 
WORD FOCUS: environment 
good for the environment: environmentally friendly, eco-friendly, sustainable, recyclable, biodegradable, renewable, organic
people who want to protect the environment: greens, eco-warriors
things that cause harm to the environment: pollution, greenhouse gases, global warming, acid rain, deforestationenvironment
➔ See also environment
WORD FOCUS: environment good for the environment: environmentally friendly, eco-friendly, sustainable, recyclable, biodegradable, renewable, organic
people who want to protect the environment: greens, eco-warriors
things that cause harm to the environment: pollution, greenhouse gases, global warming, acid rain, deforestationenvironment
➔ See also environment
