quadruple

/kwɑˈdɹupəl/

IPA: /K W AA0 D R UW1 P AH0 L/

verb

1
To multiply by four.
“Quadrupling four gives sixteen.”
2
To increase by a factor of four.
“Our profits quadrupled when we made the improvements.”
3
To provide four parallel running lines on a given stretch of railway.

Antonyms

adjective

1
Being four times as long, as big or as many of something.
“He's quite an athlete and can do quadruple jumps with ease.”

Antonyms

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