coefficient: meaning, definition, pronunciation and examples
C2Formal, Technical, Academic
Quick answer
What does “coefficient” mean?
A numerical or constant factor in a term of an algebraic expression, or a factor that measures a specific property or relationship.
Audio
Pronunciation
Definition
Meaning and Definition
A numerical or constant factor in a term of an algebraic expression, or a factor that measures a specific property or relationship.
A multiplier or factor that quantifies the relationship between variables in a scientific, mathematical, or statistical context. In a broader sense, a factor that contributes to or influences a result.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Pronunciation differs slightly.
Connotations
Purely technical and neutral in both varieties.
Frequency
Used with equal frequency in technical/academic contexts in both varieties. Almost non-existent in everyday conversation.
Grammar
How to Use “coefficient” in a Sentence
coefficient of [noun][adjective] coefficientcoefficient for [noun]Vocabulary
Collocations
Examples
Examples of “coefficient” in a Sentence
adjective
British English
- The coefficient term was crucial for the solution.
American English
- The coefficient value was extracted from the data.
Usage
Meaning in Context
Business
Rare. Possibly in data analysis, e.g., 'The Gini coefficient measures income inequality.'
Academic
Very common in mathematics, physics, engineering, statistics, and economics papers.
Everyday
Extremely rare. Would be misunderstood in casual conversation.
Technical
The primary domain of use. Precise term for a quantified factor in equations and models.
Watch out
Common Mistakes When Using “coefficient”
- Mispronunciation: /koʊˈɛfɪʃənt/ (wrong stress).
- Using it as a synonym for 'cause' or 'reason' in non-technical writing.
- Confusing it with 'exponent' or 'constant term' in algebra.
FAQ
Frequently Asked Questions
Not exactly. A constant is a fixed number. A coefficient is a constant that multiplies a variable in a term (e.g., in 7x, 7 is the coefficient). A standalone number like +5 in an expression is a constant term.
Yes, but still in technical/scientific contexts. Examples include the 'coefficient of friction' in physics, the 'Gini coefficient' in economics, or the 'correlation coefficient' in statistics.
The standard plural is 'coefficients'.
Yes, this is a very common pattern (e.g., coefficient of expansion, coefficient of determination). It specifies the property being measured.
A numerical or constant factor in a term of an algebraic expression, or a factor that measures a specific property or relationship.
Coefficient is usually formal, technical, academic in register.
Coefficient: in British English it is pronounced /ˌkəʊɪˈfɪʃ(ə)nt/, and in American English it is pronounced /ˌkoʊəˈfɪʃ(ə)nt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “No common idioms”
Learning
Memory Aids
Mnemonic
Think: 'CO-EFFICIENT' = 'together-making' (co- + efficient). It's the number that works 'together with' a variable to 'make' a term.
Conceptual Metaphor
A SCALE or MEASURING CUP for a property (e.g., a coefficient of friction measures how 'grippy' a surface is).
Practice
Quiz
In which of these contexts is the word 'coefficient' LEAST likely to be used correctly?