hydrometrograph
English
Etymology
From hydro- + metro- + -graph.
Noun
hydrometrograph (plural hydrometrographs)
- (historical) A flowmeter for measuring and sometimes recording the quantity of a liquid discharged from a pipe over time.
References
- “hydrometrograph”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.