It is a word that comes from the English language, whose main reference is in the airplane that is smaller in proportions and has better capabilities than the common commercial airplane. The engines it uses are reaction engines, that is, it shoots a gas or liquid, with force and in large quantities, to generate an impulse that takes it off the ground. For this reason it is also known as a jet powered aircraft. One of the most outstanding characteristics of this type of aerial vehicle is the maneuverability and range that it could achieve in a short time, reaching intercontinental trips in less time than common airplanes.
However, jet also refers to a jet of matter that occurs in outer space, obtaining this name because "jet", translated from English, is "jet". Mostly they are particles that are not included in the process of forming new stars, so they move at very high speeds and grow until they become large alignments that move through the galaxy.
The jet lag, meanwhile, is a disorder of sleep that comes to traveling to an area of the planet that has a time zone different from what you had before, so a Aseri of symptoms affecting the body are experienced mild form, but are bothersome to the individual who experiences them. The jet ski is the name given to a certain type of water vehicle, characterized by being similar to a motorcycle.