411 REFERENCE · Wiktionary
D valve
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after the hollow central D-sectioned piston.
Noun
A slide valve with a cup-like cavity in its face, through which exhaust steam passes.
Anagrams
en adelvv valved
en terms derived from the shape of letters