ultrasound

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noun ul·tra·sound \ˈəl-trə-ˌsau̇nd\

: a type of sound that is too high for humans to hear

medical : a method of producing images of the inside of the body by using a machine that produces sound waves which are too high to be heard

: an image that is made using ultrasound

Full Definition of ULTRASOUND

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

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Examples of ULTRASOUND

1. They used ultrasound to examine his heart.
2. She had an ultrasound exam this morning.
3. She had an ultrasound this morning.
4. She showed me an ultrasound of her unborn baby.

First Known Use of ULTRASOUND

1923

Rhymes with ULTRASOUND

aboveground, Afghan hound, all-around, battleground, been around, belowground, bottom round, breeding ground, bring around, cast around, common ground, decompound, dumping ground, end around, fool around, get around, go around, hang around, horse around, in the round, jerk around, kick around, mess around, middle ground, muscle-bound, Norton Sound, off the ground, on background, on the ground, outward-bound, paperbound, perfect-bound, proving ground, push around, quarter-bound, runaround, screw around, shootaround, sleep around, spiral-bound, staging ground, stand one's ground, steamship round, stick around, stomping ground, surround sound, turnaround, turn around, underground, weather-bound, work-around, wraparound