haematachometer

== English == === Etymology === From haema- +‎ tachometer. === Noun === haematachometer (plural haematachometers) (dated) An apparatus for measuring the velocity of the blood; a kind of flowmeter. === References === “Hæmatachometer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.