Learn how to say Quintupling correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word quintuple:
consisting of five parts or things:
the microscope has a motorized revolving quintuple nosepiece
five times as much or as many:
special effects modes on these cameras include quintuple exposure
(of time in music) having five beats in a bar.
increase or cause to increase fivefold:
the company’s revenues would quintuple over the next decade
Germany had quintupled her sulphuric acid production since 1880
a fivefold number or amount; a set of five.
late 16th century: via French from medieval Latin quintuplus, from Latin quintus ‘fifth’ + -plus as in duplus (see duple)