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 ?
NSPI's removal of standards affected many pool builders, but it probably didn't hurt diving-board sales much.
One of the evening broadcasts, "60 Minutes II" anchored by Dan Rather, was seen by at least 8 million households and featured two other diving-board accident victims along with Meneely.
But there is another, even more powerful, reason that diving-board sales have fallen.
They said] no diving boards of any kind, period," he states, adding that he has been in business for 39 years and has never faced a lawsuit from a diving-board accident.
If insurance companies are raising premiums--or dropping builders who install diving boards--it would make sense that the number of diving-board accidents is on the rise, But that doesn't seem to be the case.
Consumer Product Safety Commission, the only independent agency to track diving-board injury statistics, reported approximately 11,000 diving accidents in 2001, the most recent year for which statistics are available.
In trying to assess how many diving-board accidents attract the attention of the insurance companies, Greg Munro, a law professor at the University of Montana and author of a soon-to-be published study called The Case of the Disappearing Diving Boards: The Role of Insurance in Prohibiting Risk in Our Society, has researched the number of diving-board accidents hitting the courts.
Today, only the insurance companies know how many diving-board accidents occur in pools each year.
But while they won't reveal hard numbers, several large insurance companies whose representatives spoke with POOL & SPA NEWS on condition of anonymity, say that diving-board accidents are likely few and far between, as S.
Diving-board manufacturers say their revenues have not been affected by the negative publicity, but other sources tell a different story.