refract: meaning, definition, pronunciation and examples
C1Technical/Scientific
Quick answer
What does “refract” mean?
To bend or change the direction of light, sound, or other waves as they pass from one medium into another.
Audio
Pronunciation
Definition
Meaning and Definition
To bend or change the direction of light, sound, or other waves as they pass from one medium into another.
To measure the refractive error of the eye (in optometry). Figuratively, to alter or distort perception, understanding, or meaning.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation follow standard UK/US conventions.
Connotations
Neutral and technical in both varieties.
Frequency
Equally low-frequency in general discourse but standard in scientific/technical contexts in both regions.
Grammar
How to Use “refract” in a Sentence
[NP] refracts[NP] refracts [NP][NP] is refracted by [NP][NP] refracts through [NP]Vocabulary
Collocations
Examples
Examples of “refract” in a Sentence
verb
British English
- The prism will refract the white light into a spectrum.
- Water refracts the image of the stick, making it look bent.
American English
- The lens refracts light to focus it on the retina.
- His personal bias refracted the meaning of the historical text.
adverb
British English
- [No standard adverbial form in use]
American English
- [No standard adverbial form in use]
adjective
British English
- The refractive index of diamond is very high.
American English
- She underwent a refractive eye surgery to correct her vision.
Usage
Meaning in Context
Business
Rare. Potentially metaphorical: 'The data was refracted through the lens of market bias.'
Academic
Common in physics, optics, geology, and medicine. 'The study examined how seismic waves refract at the mantle boundary.'
Everyday
Very rare. Might occur in explanations of rainbows or glasses.
Technical
Core term in optics and ophthalmology. 'The optometrist will refract your eyes to determine your prescription.'
Watch out
Common Mistakes When Using “refract”
- Using 'reflect' instead of 'refract'. Reflection is bouncing off a surface; refraction is bending through a material.
- Incorrect preposition: 'refract on' instead of 'refract through' or 'refract off of'.
FAQ
Frequently Asked Questions
'Reflect' means to bounce back (like a mirror). 'Refract' means to bend while passing through a material (like a lens).
Yes, it can be used for any wave phenomenon, such as sound waves or seismic waves, though light is the most common context.
Yes, the noun is 'refraction'. The related adjective is 'refractive'.
No, it is a literary or academic extension. In most technical and everyday cases, it refers to the physical bending of waves.
To bend or change the direction of light, sound, or other waves as they pass from one medium into another.
Refract is usually technical/scientific in register.
Refract: in British English it is pronounced /rɪˈfrækt/, and in American English it is pronounced /rɪˈfrækt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms]”
Learning
Memory Aids
Mnemonic
Think of a REfraction in a FRACTured piece of glass bending the light.
Conceptual Metaphor
UNDERSTANDING IS SEEING; a distorted understanding is refracted light.
Practice
Quiz
In which field is the term 'refract' most precisely and frequently used?