Synonyms for radial engine

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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You two probably know what a radial engine is, but Hal here doesnt.

MORE RELATED WORDS FOR RADIAL ENGINE

rotary engine

nouninternal-combustion engine
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.