barometrograph

== English == === Etymology === From baro- +‎ metro- +‎ -graph. === Noun === barometrograph (plural barometrographs) (historical) A type of barometer capable of recording the variations, at a regular rate (such as every hour), of atmospheric pressure onto paper. === References === “barometrograph”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.