different between velocity vs stromuhr

English

veloce +? -ity, from Middle French vélocité, from Latin v?l?cit?s (“speed”), from v?l?x (“fast”).

velocity (countable and uncountable, plural velocities)

(physics) A vector quantity that denotes the rate of change of position with respect to time, combining speed with a directional component.
Rapidity of motion.
The rate of occurrence.
(economics) The number of times that an average unit of currency is spent during a specific period of time.

From German Strom (“stream”) and Uhr (“clock”).

IPA^(key): /?st?o?m.u??/

stromuhr (plural stromuhrs)

An instrument for measuring the velocity of blood flow.
- 1917, American journal of physiology, page 409^[1]:
  From the stromuhr the blood was returned to the inferior cava by way of the left renal vein.

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