ultrasound
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ultrasound
A medical imaging procedure that uses high-frequency sound waves to show organs and structures inside the body. Also refers to the examination itself (sonography).
Bei der schwangeren Frau wurde ein Ultraschall gemacht, um die Entwicklung des Babys zu kontrollieren.
The pregnant woman had an ultrasound to check the baby's development.
ultrasound
In physics, sound waves with a frequency above the limit of human hearing (over 20 kHz).
Fledermäuse und Delfine orientieren sich mithilfe von Ultraschall.
Bats and dolphins orient themselves with the help of ultrasound.
The word is composed of the Latin prefix 'ultra-' (beyond, on the other side of) and the German word 'Schall' (sound, noise). So it literally means 'sound beyond' the limit of human hearing.
Hunde können Frequenzen im Ultraschallbereich wahrnehmen.
Dogs can perceive frequencies in the ultrasound range.
In everyday language, 'Ultraschall' (ultrasound) almost always means the medical examination. You can recognize the physics meaning from the context when the topic is technology, animals (e.g., bats), or frequencies.
Der Arzt hat mir einen Ultraschall vom Knie empfohlen.
The doctor recommended an ultrasound of my knee.
In a medical context, 'Ultraschall' (ultrasound) is often combined with the verbs 'machen' (to do/make), 'durchführen' (to carry out), or 'anordnen' (to order). You can also say 'zum Ultraschall gehen' (to go for an ultrasound).
Die Ärztin macht schnell einen Ultraschall, um sicherzugehen.
The doctor will quickly do an ultrasound to make sure.
