constringence: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “constringence” mean?
A measure of the dispersive power of a transparent medium, specifically the difference in refractive indices for two different wavelengths of light.
Audio
Pronunciation
Definition
Meaning and Definition
A measure of the dispersive power of a transparent medium, specifically the difference in refractive indices for two different wavelengths of light.
In optics, a numerical value expressing the degree to which a material separates light into its constituent colors (chromatic aberration). It is a fundamental property used in lens design.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling is consistent.
Connotations
Purely technical with no regional connotations.
Frequency
Extremely rare in both varieties, confined to specialist literature.
Grammar
How to Use “constringence” in a Sentence
The constringence of [material] is [value].[Material] exhibits a constringence of [value].Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used.
Academic
Used in advanced physics and optical engineering textbooks and papers.
Everyday
Never used.
Technical
The primary context. Used in specifications for optical glass, lens design software, and research on chromatic aberration.
Vocabulary
Synonyms of “constringence”
Strong
Neutral
Weak
Vocabulary
Antonyms of “constringence”
Watch out
Common Mistakes When Using “constringence”
- Confusing it with 'astringency' (a taste or medical term).
- Using it outside of optical physics.
- Misspelling as 'constringance'.
FAQ
Frequently Asked Questions
Yes, for practical purposes they are synonymous. The Abbe number (V-number) is the standard, dimensionless metric for constringence.
No. It is a specialist term in optics. Using it in general conversation would be highly unusual and likely misunderstood.
Values range widely. Common crown glass has a high constringence (low dispersion, V~60), while flint glass has a low constringence (high dispersion, V~30).
From Latin 'constringere' meaning 'to bind together, draw tight'. In optics, it conceptually relates to how tightly a material binds different wavelengths together (or fails to, causing dispersion).
A measure of the dispersive power of a transparent medium, specifically the difference in refractive indices for two different wavelengths of light.
Constringence is usually technical/scientific in register.
Constringence: in British English it is pronounced /kənˈstrɪn.dʒəns/, and in American English it is pronounced /kənˈstrɪn.dʒəns/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of 'CONstrict' and 'frinGE' – a lens with high constringence CONSTRICTS light into a coloured FRINGE.
Conceptual Metaphor
Not applicable; the term is purely technical and literal.
Practice
Quiz
What is constringence a measure of?