quintuple

US /kwɪnˈtuː.pəl/
UK /kwɪnˈtuː.pəl/
1.

五元組

to increase by five times, or to increase something by five times:

:
Since 2010, the company's revenue has quintupled.
1.

五元組

affecting or involving five different things or parts of something:

:
He had a quintuple heart bypass operation.