dive

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dive

1. a headlong plunge into water, esp one of several formalized movements executed as a sport
2. an act or instance of diving
3. a steep nose-down descent of an aircraft
4. Boxing slang the act of a boxer pretending to be knocked down or out
5. Soccer slang the act of a player pretending to have been tripped or impeded

Dive

 

the movement of an aircraft or missile along a horizontally inclined trajectory of 30°-90°, accompanied by rapid loss of altitude and an increase in speed.

The flight trajectory during a dive consists of the leg of the dive proper, which is close to a straight line, and of curvilinear legs—the initial (entrance) and final (pullout) legs. A dive at angles of 80°-90° to the horizontal is called a vertical dive. Air brakes are used on aircraft and missiles to limit the increase in speed. Diving is used during attacks on aerial targets, during firing or the launching of rockets, and during the bombing of ground or naval targets. Diving is also used when it is necessary to lose altitude quickly. [19—1571—4•]

dive

[′dīv]
(aerospace engineering)
A rapid descent by an aircraft or missile, nose downward, with or without power or thrust.
(engineering)
To submerge into an underwater environment so that it may be studied or utilized; includes the use of specialized equipment such as scuba, diving helmets, diving suits, diving bells, and underwater research vessels.
(navigation)
To submerge a submarine under power.

dive

A steep descent with or without power. The acute angle between the horizon and the line of the dive of the object is called a dive angle.
References in periodicals archive ?
On the longer sensors, the antibodies bunched up at the free end of the diving-board structure.
He climbed on top of the diving-board and, with an elaborate triple somersault, plunged into the water.
For 400 years, it had been a thing of beauty in both senses, providing a meeting-place for friends or lovers, as well as a diving-board for the energetic.