(~s, tripling, ~d)
1.
Triple means consisting of three things or parts.
...a ~ somersault...
In 1882 Germany, Austria, and Italy formed the Triple Alliance.
ADJ: ADJ n
2.
If something ~s or if you ~ it, it becomes three times as large in size or number.
I got a fantastic new job and my salary ~d...
The Exhibition has ~d in size from last year...
The merger puts the firm in a position to ~ its earnings.
= treble
VERB: V, V in n, V n
3.
If something is ~ the amount or size of another thing, it is three times as large.
The mine reportedly had an accident rate ~ the national average...
= treble
PREDET: PREDET the n