Editing Jet (section)

== Other areas of science, math, and technology ==
* [[Jet (fluid)]], a coherent stream of fluid that is projected into a surrounding medium, usually from some kind of a nozzle or aperture
* [[Jet (gemstone)]], a black or brown semi-precious mineraloid
* [[Jet (mathematics)]], an operation on a differentiable function
* [[Jet (particle physics)]], a narrow cone of hadrons and other particles produced by the hadronization of a quark or gluon
* [[Jet bundle]], a fiber bundle of jets in differential topology
* [[Jet group]], a group of jets in differential topology
* [[Jet stream]], in meteorology, commonly referred to as "jet"
* [[Astrophysical jet]], in astrophysics, a stream of matter emitted along the axis of a rotating astronomical body
* [[Joint European Torus]], an experimental nuclear fusion machine
* [[Junctional ectopic tachycardia]], a rare cardiac arrhythmia that sometimes occurs after surgery in infants
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