Associations to the word «Ultrasound»

Wiktionary

ULTRASOUND, noun. (physics) sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz
ULTRASOUND, noun. (medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes

Dictionary definition

ULTRASOUND, noun. Very high frequency sound; used in ultrasonography.
ULTRASOUND, 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.

Wise words

The chief difference between words and deeds is that words are always intended for men for their approbation, but deeds can be done only for God.
Leo Tolstoy