de·nom·i·na·tor /dɪˈnɑməˌnetɚ/
 分母,命名者


 denominator
 分母


 denominator
 分母


 De·nom·i·na·tor n.
 1. One who, or that which, gives a name; origin or source of a name.
    This opinion that Aram . . . was the father and denomination of the Syrians in general.   --Sir W. Raleigh.
 2. Arith. That number placed below the line in common fractions which shows into how many parts the integer or unit is divided.
 Note: ☞ Thus, in ⅗, 5 is the denominator, showing that the integer is divided into five parts; and the numerator, 3, shows how many parts are taken.
 3. Alg. That part of any expression under a fractional form which is situated below the horizontal line signifying division.
 Note: ☞ In this sense, the denominator is not necessarily a number, but may be any expression, either positive or negative, real or imaginary.

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 denominator
      n : the divisor of a fraction