Doppler ultrasound is a type of ultrasound that depends on the Doppler Effect, a change in the wave's frequency, which can occur from the motion of a reflector, such a red blood cell. We experience the Doppler Effect when, for example, an ambulance approaches us, passes and then drives away.
Definition of PLACODERM. : any of a class (Placodermi) of extinct chiefly Devonian fishes with an armor of bony plates and primitive jaw structures.ADVERTISEMENT. New Latin Placodermi, ultimately from GK plak-, plax + derma skin â more at derm-. any of a class (Placodermi) of extinct chiefly Devonian fishes with an armor of bony plates and primitive jaw structures. ADVERTISEMENT.
Albus Dumbledore- Dumbledore means bumblebee, which I suppose. would fit... Draco Malfoy- Draco meaning dragon or refering to a cruel Athenian lawmaker. The mal in Malfoy meaning evil or bad, and foy, more commonly know as foi in french, means faith, so Malfoy would mean Badfaith.