Bedeutung von “triple” im Essential American English Dictionary

triple

verb us /ˈtrɪp·əl/

to increase three times in size or amount, or to make something do this (= used to show the difference in amount of two things, by multiplying one of them by the stated number):

Sales have tripled in the past five years.

(Definition von “triple verb” aus dem Webster's Essential Mini Dictionary © Cambridge University Press)