quadruple

Meanings

1. 1
   adj

   four times as large, numerous, or valuable

   The upgraded engine produced quadruple the original power.

2. 2
   verb

   to become, or make something become, four times as large or numerous

   The company plans to quadruple its recycling capacity within five years.

From Middle English quadruple, borrowed from Latin quadruplus ('fourfold'), formed from the element quadri- ('four') and a multiplicative suffix also seen in double and triple.

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