Meanings
nounDouglas valve (plural Douglas valves)
plural Douglas valves
- A type of flush valve used for toilet tanks
Cite this entry
APA
Douglas valve. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Douglas%20valve
MLA
“Douglas valve.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Douglas%20valve. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Douglas valve,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Douglas%20valve.
Source: Douglas valve on Wiktionary, CC BY-SA 4.0.