Sonotrode

In ultrasonic machining, welding and mixing, a sonotrode is a tool that creates ultrasonic vibrations and applies this vibrational energy to a gas, liquid, solid or tissue. A sonotrode usually consists of a stack of piezoelectric transducers attached to a tapering metal rod. The end of the rod is applied to the working material. An alternating cur...
Found on http://en.wikipedia.org/wiki/Sonotrode

sonotrode

component of ultrasonic transmitter in the direct contact with a heated area and transmitting ultrasonic oscillations to it
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=841-33-08

Sonotrode

Horn which couples the ultrasonic energy from the generator to the tool.
Found on http://www.encyclo.co.uk/local/20827
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