An item of diving equipment used by scuba divers to increase their range while underwater.

plural of diving scooter

plural of diving beetle

plural of dive bomber

structure used for competitive diving, consisting of a vertical rigid tower with one or more horizontal platforms extending out over a deep pool of water.

(diving) A backwards dive

A device, similar in appearance to a wristwatch, used by underwater divers to measure the time and depth of a dive, calculate a safe ascent profile, and avoid decompression sickness.

Alternative form of crash dive

Alternative form of crash dive

(idiomatic, military) An emergency maneuver by a submarine in which it suddenly descends, especially to considerable depth, usually in order to escape an attack or avoid a collision.