valve gear (English, noun)
expansion: valve gear (countable and uncountable, plural valve gears)
Senses:
topics: engineering
mechanical
mechanical-engineering
natural-sciences
physical-sciences
glosses: The mechanism of a steam engine that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle.
tags: countable
uncountable
Forms:
form: valve gears
tags: plural