diving
n. uncountablen. the sport or activity of jumping into water with your head first. It can also mean swimming deep underwater while using special breathing equipment.
n. the sport or activity of plunging into water head-first, or the practice of swimming underwater using a breathing apparatus. Often used as a gerund to describe the competitive sport or a recreational hobby.
She is very good at diving from the high board.
We spent our vacation diving in the coral reefs to see the colorful tropical fish.
Competitive diving requires a rare combination of physical strength, precise body control, and the mental focus to execute complex aerial maneuvers before entering the water with minimal splash.
By surface analysis, dive + -ing.
Typically functions as an uncountable gerund; when referring to specific instances or styles, it remains predominantly uncountable in general usage.