follow Dictionary.com

What is the X in X-mas?

opposed-piston engine

[uh-pohzd-pis-tuh n] /əˈpoʊzdˈpɪs tən/
noun
1.
a reciprocating engine, as a diesel engine, in which each cylinder has two pistons that move simultaneously away from or toward the center.
Also called opposed engine.
Origin
1965-1970
1965-70
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source

Word of the Day

Difficulty index for opposed-piston engine

Few English speakers likely know this word

Word Value for opposedpiston

0
0
Scrabble Words With Friends