from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Mathematics The expression written below the line in a common fraction that indicates the number of parts into which one whole is divided.
  • noun A common trait or characteristic.
  • noun An average level or standard.

from The Century Dictionary.

  • noun One who or that which gives a name; one from whom or that from which a name is derived.
  • noun Specifically In math.: In arithmetic, that term of a fraction which indicates the value of the fractional unit; that term of a fraction which represents the divisor, and is, in common fractions, written below the dividend or numerator. See fraction.
  • noun In algebra, a divisor placed under a dividend, as in a numerical fraction.
  • noun Same as denominant.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who, or that which, gives a name; origin or source of a name.
  • noun (Arith.) That number placed below the line in common fractions which shows into how many parts the integer or unit is divided.
  • noun (Alg.) That part of any expression under a fractional form which is situated below the horizontal line signifying division.
  • noun a number which can divide either of two or more other numbers without leaving a remainder in any of the divisions.
  • noun the largest common denominator of two or more numbers.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun arithmetic The number or expression written below the line in a fraction (thus 2 in ½).

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the divisor of a fraction


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Late Latin dēnōminātor ("that which names").



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