Science, Technology, Biology, and Medicine
- Picatinny rail, a bracket used on some firearms in order to provide a standardized mounting platform for telescopic sights and other accessories
- Rails or Rallidae, a family of birds which includes crakes, coots, and gallinules
- Railing, a slang term for insufflation (medicine), whereby a substance, such as cocaine, is inhaled for recreational effects
- Structural
- Guard rail, for protective separation of persons (including those in vehicles) from dangerous places or situations
- Hand rail, for physical support, such as on stairways and steps
- Theatre rail, see batten (theater), from which lighting fixtures, theatrical scenery, tabs or curtains may be hung
- Curtain rail, see curtain, from which curtains are hung
- Door rails, see frame and panel, a horizontal outside member on a door or in a frame and panel construction
- Electrical engineering
- Power supply rail or voltage rail, a single voltage provided by a power supply unit
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Famous quotes containing the word medicine:
“Authority, though it err like others,
Hath yet a kind of medicine in itself,
That skins the vice o’ the top.”
—William Shakespeare (1564–1616)