quadrupling

/K W AA0 D R UW1 P AH0 L IH0 NG/
verb
  1. 1

    To multiply by four.

    โ€œQuadrupling four gives sixteen.โ€

  2. 2

    To increase by a factor of four.

    โ€œOur profits quadrupled when we made the improvements.โ€

  3. 3

    To provide four parallel running lines on a given stretch of railway.

Antonyms

noun
  1. 1

    An act of quadrupling.

Source: https://en.wiktionary.org/wiki/quadruple, https://en.wiktionary.org/wiki/quadrupling