Meaning & use
coefficient
A numerical or constant factor that multiplies a variable in a mathematical expression.
See it in a sentence
In the equation 3x + 2, the number 3 is the coefficient of x.
Engineers calculated the friction coefficient before testing the new brake pads.
A note on using this word
Also used outside pure math for measured ratios, such as a 'coefficient of expansion' in physics.
Words with a similar meaning
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