Definition of Ultrasound

1. Noun. Very high frequency sound; used in ultrasonography.

Generic synonyms: Sound
Derivative terms: Ultrasonic

2. Noun. Using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs.

Definition of Ultrasound

1. Noun. (physics) sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz ¹

2. Noun. (medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes ¹

¹ Source: wiktionary.com

Definition of Ultrasound

1. [n -S]

Medical Definition of Ultrasound

1. A type of imaging technique which uses high-frequency sound waves. This is highly operator-dependent and is thought to be useful in diagnosis but not particularly accurate in the assessment of tumour response. For the latter, CT or MR imaging are more accurate. (16 Dec 1997)

Lexicographical Neighbors of Ultrasound

ultrasonic rays
ultrasonic scaler
ultrasonic therapy
ultrasonic waves
ultrasonically
ultrasonication
ultrasonics
ultrasonogram
ultrasonograph
ultrasonographer
ultrasonographers
ultrasonographic
ultrasonographs
ultrasonography
ultrasonosurgery
ultrasound (current term)
ultrasound/ultrasonography
ultrasound cardiography
ultrasound examination
ultrasound guided biopsy
ultrasound imaging
ultrasound of the breast
ultrasounds
ultrasparsifiers
ultraspectral
ultrastable
ultrastrong
ultrastrongly
ultrastructural
ultrastructural anatomy

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