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over-unity

The English word “over-unity” has 1 meaning listed here.

adjective

  1. Free-energy; supposedly capable of perpetual motion

Etymology

From over- + unity (“the number "1"”), referring to the fact that an over-unity device should produce more kinetic energy than whatever potential it receives as input. Coined to avoid patent rules that prevent impossible technologies such as perpetual motion machines being patented.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.