ultrasound
B2Formal/Technical in scientific contexts; neutral/common in medical and prenatal contexts.
Definition
Meaning
Sound waves with a frequency higher than the upper limit of human hearing, used especially in medical imaging and some therapies.
1) The diagnostic or therapeutic use of ultrasonic waves. 2) The visual image produced by such diagnostic procedures, commonly used to examine a fetus during pregnancy.
Linguistics
Semantic Notes
The term encompasses both the physical phenomenon (sound waves) and the medical procedure/technology. In everyday conversation, it most often refers to the prenatal imaging scan.
Dialectal Variation
British vs American Usage
Differences
Minimal. Both use 'ultrasound' and the informal 'scan' equally. The specific procedure 'echocardiogram' is more common in technical cardiology contexts.
Connotations
Identical. Primarily medical/clinical, with strong positive associations with pregnancy and seeing the baby.
Frequency
Equally frequent in both varieties due to universal medical technology.
Vocabulary
Collocations
Grammar
Valency Patterns
undergo/have/get an ultrasound (for + reason)perform/carry out an ultrasound (on + patient)the ultrasound shows/reveals/confirms + findingVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “[No common idioms; the word is technical/literal]”
Usage
Context Usage
Business
Refers to the manufacturing, sale, or servicing of ultrasound equipment.
Academic
Used in physics (acoustics), engineering, and medical research papers.
Everyday
Overwhelmingly used in the context of pregnancy and medical diagnostics. 'We saw the baby on the ultrasound.'
Technical
Precise term in medical diagnostics, physiotherapy (therapeutic ultrasound), and industrial cleaning/testing.
Examples
By Part of Speech
verb
British English
- [Verb use is highly non-standard and avoided. Use 'to scan'.]
American English
- [Verb use is highly non-standard and avoided. Use 'to perform an ultrasound'.]
adverb
British English
- [No standard adverbial form]
American English
- [No standard adverbial form]
adjective
British English
- The ultrasound technician was very reassuring.
- We need to check the ultrasound report.
American English
- The ultrasound tech guided us through the images.
- The ultrasound findings were normal.
Examples
By CEFR Level
- The doctor used an ultrasound to see the baby.
- We have an ultrasound appointment next week.
- The midwife said the ultrasound scan went perfectly.
- They could determine the gender from the ultrasound image.
- Therapeutic ultrasound can help with muscle pain and inflammation.
- The radiologist performed an abdominal ultrasound to check her liver.
- Advances in high-definition ultrasound have improved the early detection of fetal abnormalities.
- The study employed Doppler ultrasound to assess blood flow velocity in the carotid artery.
Learning
Memory Aids
Mnemonic
Think: ULTRA (beyond) + SOUND (hearing). It's sound 'beyond' what our ears can hear, used to see 'inside'.
Conceptual Metaphor
SOUND IS A TOOL FOR VISION / HEARING IS SEEING (Using inaudible sound waves to create a visual image).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct calque 'ультразвук' for the *procedure*; in English, you 'have an ultrasound', not 'make an ultrasound'.
- In Russian, 'УЗИ' (uzi) is the common acronym for the procedure; English uses the full word 'ultrasound' or 'scan' in everyday talk.
Common Mistakes
- Using 'ultrasound' as a verb (*'They will ultrasound me' is non-standard). Use 'scan'.
- Confusing 'ultrasound' (process/image) with the machine itself ('ultrasound machine' or 'scanner').
Practice
Quiz
In which of these contexts is the word 'ultrasound' LEAST likely to be used?
FAQ
Frequently Asked Questions
No, it is not a standard verb. While some medical professionals might colloquially say 'to ultrasound a patient', it is considered informal and non-standard. The correct phrasing is 'to perform an ultrasound (scan) on' or 'to scan'.
'Ultrasound' refers to the technology, the sound waves, or the procedure itself. 'Sonogram' (or 'echogram') refers specifically to the visual image produced by the procedure. In casual speech, they are often used interchangeably.
No. While its most well-known application is prenatal imaging, ultrasound is widely used in many other medical diagnostics (heart, liver, kidneys, muscles) and in therapies like physiotherapy. It also has industrial uses (cleaning, flaw detection).
By definition, no. Ultrasound is sound with a frequency above approximately 20,000 Hz, which is beyond the typical upper hearing limit of the human ear. Some animals, like bats and dogs, can hear ultrasonic frequencies.