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Noun: cogeneration  kow,je-nu'rey-shun
  1. Production of one or more other outputs along with the primary one, e.g. hydrogen, synfuel or desalinated water production in addition to electricity
    "The power plant used cogeneration to produce both electricity and heat for nearby buildings"
     
  2. Generation of electricity and heat so that both can be used rather than the heat being wasted
    "The factory implemented a cogeneration system to improve energy efficiency"

Derived forms: cogenerations

Encyclopedia: Cogeneration