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definitions

opposed-piston engine

[ uh-pohzd-pis-tuh n ]
/ əˈpoʊzdˈpɪs tən /

noun

a reciprocating engine, as a diesel engine, in which each cylinder has two pistons that move simultaneously away from or toward the center.

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Nearby words

  1. opposable,
  2. opposable thumb,
  3. oppose,
  4. opposed,
  5. opposed-cylinder,
  6. opposeless,
  7. opposer muscle of little finger,
  8. opposer muscle of thumb,
  9. opposing,
  10. opposite

Origin of opposed-piston engine

First recorded in 1965–70
Also called opposed engine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019