Doppler ultrasonic flowmeter
(redirected from TCD ultrasound flowmeter)Also found in: Medical.
Doppler ultrasonic flowmeter
[′däp·lər əl·trə′sän·ik ′flō‚mēd·ər] (engineering)
An instrument for determining the velocity of fluid flow from the Doppler shift of high-frequency sound waves reflected from particles or discontinuities in the flowing fluid.