Meaning of COEFFICIENT in English
adj cooperating; acting together to produce an effect.
2. coefficient ·noun that which unites in action with something else to produce the same effect.
3. coefficient ·noun a number or letter put before a letter or quantity, known or unknown, to show how many times the latter is to be taken; as, 6x; bx; here 6 and b are coefficients of x.
4. coefficient ·noun a number, commonly used in computation as a factor, expressing the amount of some change or effect under certain fixed conditions as to temperature, length, volume, ·etc.; as, the coefficient of expansion; the coefficient of friction.
Webster English vocab. Английский словарь Webster. 2012