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renewable

[ri-noo, -nyoo] /rɪˈnu, -ˈnyu/
adjective
1.
able to be renewed:
a library book that is not renewable.
noun
2.
something that is renewable.
Origin
1720-1730
1720-30; renew + -able
Related forms
renewability, noun
nonrenewable, adjective
unrenewable, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for renewable
  • renewable energy has received exceptional help from the government.
  • The position is a nine month appointment, renewable annually, with full benefits.
  • But nuclear power is not a complement to renewable energy, insist the greens.
  • The sources of the energy that people use the world over fall into two general categories: renewable and nonrenewable.
  • Many people are working to harness renewable energy sources more effectively and to enhance energy efficiency.
  • Following the collapse of the ballyhooed solar firm, these are dark times for renewable energy.
  • Escalating oil prices and global warming concerns have shifted the quest for renewable energy sources into high gear.
  • renewable and conventional energy, markets and green technology.
  • What we've really got is a five-year contract that's automatically renewable if you're doing your job.
  • The technology for renewable energies has come far enough to allow his vision to move forward, he said.
Word Origin and History for renewable
adj.

1727, from renew + -able. In reference to energy sources, attested by 1971.

Online Etymology Dictionary, © 2010 Douglas Harper
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renewable in Science
renewable
  (rĭ-n'ə-bəl)   
Relating to a natural resource, such as solar energy, water, or wood, that is never used up or that can be replaced by new growth. Resources that are dependent on regrowth can sometimes be depleted beyond the point of renewability, as when the deforestation of land leads to desertification or when a commercially valuable species is harvested to extinction. Pollution can also make a renewable resource such as water unusable in a particular location. Compare nonrenewable.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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14
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