ultrasound

One entry found for ultrasound.

Main Entry: ul·tra·sound
Pronunciation: '&l-tr&-"saund
Function: noun
1 : vibrations of the same physical nature as sound but with frequencies above the range of human hearing
2 : the diagnostic or therapeutic use of ultrasound and especially a noninvasive technique involving the formation of a two-dimensional image used for the examination and measurement of internal body structures and the detection of bodily abnormalities -- called also sonography
3 : a diagnostic examination using ultrasound