Sonication is the act of applying sound energy to agitate particles in a sample, for various purposes. Ultrasonic frequencies (>20 kHz) are usually used, leading to the process also being known as ultrasonication or ultra-sonication. In the laboratory, it is usually applied using an ultrasonic bath or an ultrasonic probe, colloquially known as a s... Found on http://en.wikipedia.org/wiki/Sonication
Irradiation with (often ultra)sound waves, e.g. to increase the rate of a reaction or to prepare vesicles in mixtures of surfactants and water. Found on http://www.chem.qmul.ac.uk/iupac/gtpoc/SaSp.html
(son″ĭ-ka´shәn) exposure to sound waves; disruption of bacteria by exposure to high-frequency sound waves. Found on http://www.encyclo.co.uk/local/21001