← Back to search

Meaning of square engine | Babel Free

Noun CEFR B2

Definitions

A U engine in which two parallel-twin engines are coupled together.
An engine with a stroke ratio of 1 (+/- 5%).

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

square eyes square foot square footage square gin square grouper square inch