Coefficient - Meaning, Definition & English Examples
A coefficient is a numerical or constant factor in an algebraic term that multiplies a variable. It indicates how much the variable contributes to the overall expression.
Definition:
A numerical or constant factor in a term of an algebraic expression or scientific formula.
Synonyms:
factor, multiplier, constant, parameter
Part of Speech:
noun
Antonyms:
variable, unknown
Common Collocations:
correlation coefficient, drag coefficient, expansion coefficient, friction coefficient
Derivatives:
coefficients, coefficiently (rare)
Usage Tips:
Use "coefficient" to describe multiplicative factors in math or science formulas for clarity and precision.
Common Phrases:
coefficient of friction, correlation coefficient, expansion coefficient
Etymology:
From Latin "coefficient-" (co- + efficient), meaning "working together" in mathematical terms since the 17th century.
Examples:
- 1. The coefficient in this equation is 3x² + 2x + 1 is 3 for x².
- 2. Scientists calculated the drag coefficient to improve the car's aerodynamics.
- 3. The correlation coefficient shows a strong relationship between study time and test scores.
- 4. In physics, the expansion coefficient measures how materials expand with temperature changes.