denominator

denominator is defined in Webster's Unabridged Dictionary (1913) with 2 senses, and appears in Roget's Thesaurus (1911) with 39 related terms. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Arith.) That number placed below the line in vulgar fractions which shows into how many parts the integer or unit is divided. Note: Thus, in denominator, showing that the integer is divided into five parts; and the numerator, 3, shows how many parts are taken.
  2. 2.(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. Davies & Peck (Math. Dict. )

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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