ultrasonic cleaning
noun
the use of ultrasound to vibrate a piece to be cleaned while the piece is immersed in a cleaning fluid. The process produces a very high degree of cleanliness, and is used for jewellery and ornately shaped items
Nearby words
ultrared, ultraright, ultrarightist, ultrashort, ultrasonic, ultrasonic cleaning, ultrasonic testing, ultrasonic welding, ultrasonics, ultrasonogram, ultrasonograph
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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