radial engine

noun Aeronautics.
an internal-combustion engine having the cylinders arranged in radial opposition, found mainly on older aircraft.

Origin:
1905–10

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Radial engine is always a great word to know.
So is gobo. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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Example sentences
In a radial engine, the cylinders are arranged in a circular fashion around the crankcase.
Eyes still closed, hear an early riser pull the propeller through on a radial engine.
The radial engine was mounted in the center fuselage, with a small propeller to draw in cooling air.
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