DISAMBIGUATION
Computing
- Bar (computer science), a placeholder
- Base Address Register in PCI
- Bar, a mobile phone form factor
- Bar, a type of graphical control element
Science and technology
- Bar (river morphology), a deposit of sediment
- Bar (unit), a unit of pressure
- BAR domain, a protein domain
- Bar stock, of metal
- Sandbar
Food and drink
Law
- Bar (diacritic), a line through a letter
- Vertical bar, a punctuation symbol
- X-bar theory, in linguistics
Devices
- Birch rod, made out of twigs from birch or other trees for corporal punishment
- Ceremonial rod, used to indicate a position of authority
- Connecting rod, main, coupling, or side rod, in a reciprocating engine
- Control rod, used to control the rate of fission in a nuclear reactor
- Divining rod, two rods believed by some to find water in a practice known as dowsing
- Lightning rod, a conductor on top of a building to protect the building in the event of lightning by taking the charge harmlessly to earth
- Measuring rod, a kind of ruler
- Switch (corporal punishment), a piece of wood as used as a staff or for corporal punishment, or a bundle of such switches
- Truss rod, a steel part inside a guitar neck used for its tension adjustment
Science and technology
- Cuisenaire rods, to teach children arithmetics
- Rod-shaped bacterium, a shape of bacteria such as E. coli
- Rod (unit), an Imperial unit of length, also known as the pole or perch
- Real-time outbreak and disease surveillance (RODS)
- rod, ISO 639-3 code for the Rogo language of Nigeria
- Rate of descent (RoD), a measurement in aviation.
Objects
- Pipe (fluid conveyance), a hollow cylinder following certain dimension rules
- Piping, the use of pipes in industry
- Smoking pipe
- Tobacco pipe
- Half-pipe and quarter pipe, semi-circular ramps for performing skateboarding/snowboarding tricks
- Piping (sewing), tubular ornamental fabric sewn around the edge of a garment.
- Pipe (instrument), a traditional perforated wind instrument
- Bagpipe, a class of musical instrument, aerophones using enclosed reeds
- Pipes and drums or pipe bands, composed of musicians who play the Scottish and Irish bagpipes
- Organ pipe, one of the tuned resonators that produces the main sound of a pipe organ
- Pan pipes, see Pan flute, an ancient musical instrument based on the principle of the stopped pipe
Computing
- Pipeline (Unix)
- Anonymous pipe and named pipe, a one-way communication channel used for inter-process communication
- PHY Interface for PCI Express (PIPE), the name of a specification for the PCI Express physical layer
- Yahoo! Pipes
- sspipes.scr, a screensaver for Microsoft Windows
Technology
- Pipe (casting), a type of metal-casting defect
- Boatswain's pipe, an instrument used for signalling or to issue commands on a warship
- PIPES, a common buffer used in chemistry and biology laboratory work
- Pipe (car), a Belgian automobile manufacturer
Other uses
- Pipe (letter), the IPA letter for a dental click
- Pipe (unit) or butt, a cask measurement for wine barrels
- Volcanic pipe, a deep, narrow cone of solidified magma
Pole
- Staff, a weapon used in stick-fighting
- Quarterstaff, a European pole weapon
- Staff of office, a pole that indicates a position
- Staff (railway signalling), a token authorizing a locomotive driver to use a particular stretch of single track
- Level staff, also called levelling rod, a graduated rod for comparing heights
- Flagstaff, on which a flag is flown
- Scout staff, a tall pole traditionally used by Boy Scouts, which has a number of uses in an emergency
- Pilgrim's staff, a walking stick used by pilgrims during their pilgrimages.
Mathematics
- Branch, in set theory, a maximal chain in a tree.
- Branch (academia), an academic sub-discipline
- Branch (bridle), a crooked piece of iron in a bit shank
- Branch (computer science), a point in a computer program where program-flow may change depending on a condition
- Branch (hieroglyph), a member of the trees and plants hieroglyphs
Thin elongated objects
- Twig
- The weapon used in stick fighting
- Walking stick, a device to facilitate balancing while walking
- Shepherd's crook
- Swagger stick
- Digging stick
- Swizzle stick, used to stir drinks
Sports
- Bandy stick, used in bandy
- Cue stick, used in pool, snooker and carom billiards
- Hockey stick, used in hockey
- Field hockey stick
- Ice hockey stick
- Lacrosse stick, used in lacrosse
- Drum stick, used to strike drums
- Part of a bow used to play a string instrument
- Chapman Stick, an electric musical instrument in the guitar family
- Percussion stick, a struck percussion instrument.
Transportation
- Stick or stick shift, an automobile's manual transmission
- Gear stick, used in a manual transmission-equipped automobile to change gears
- Control or centre stick, an aircraft cockpit arrangement
- Pretzel sticks, pub snacks
- Breadstick, dry baked bread
- Crab stick, seafood
- Mozzarella sticks, hors d'oeuvre
- Musk stick, confection
- Cinnamon sticks, spice
Plant structures
- Plant stem, a plant's aboveground axis, made of vascular tissue, off which leaves and flowers hang
- Stipe (botany), a stalk to support some other structure
- Stipe (mycology), the stem of a mushroom under the cap
- Stem (vine), part of a grapevine
Education
- Science, technology, engineering, and mathematics (STEM), a broad term used in curricula and policy
- STEM.org, an educational publisher and service
- Stem, a multiple choice question lede (excluding the options)
Language and writing
- Word stem, the part of a word common to all its inflected variants
- Stemming, a process in natural language processing
- Stem (typography), the main vertical stroke of a letter
- Stem (music), a part of a written musical note
Man-made objects
- Stem (ship), the upright member mounted on the forward end of a vessel's keel, to which the strakes are attached
- Stem (bicycle part), connects the handlebars to the steer tube of a bicycle fork
- Stem (glass), the stem of a drinking glass
- Stem, part of a watch
- Crack stem, a device for smoking crack cocain
Music and audio
- Stem (audio), a collection of audio sources mixed together to be dealt with downstream as one unit
- Stem (music), a part of a written musical note
- Stem mixing and mastering, a method of mixing audio material
Science and technology
- See also: § Plant structures, and § Music and audio
- Science, technology, engineering, and mathematics, a grouping of academic disciplines capitalized as STEM
- Scanning transmission electron microscopy, a type of microscopy
- Spatiotemporal Epidemiological Modeler, software developed by IBM
- Stem, part of a compound variable in the Rexx computer programming language
- Main stem of a river
Discussion