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Pipe can refer to:

Contents 1 In physical sciences 2 In computer science 3 In music 4 In finance 5 Other uses 6 See also

A channel for carrying fluids:

• Water pipe, for transporting water
• Pipe (material), a hollow cylinder following certain dimension rules
• Tubing (material), a flexible alternative to pipe

In firestopping, a pipe becomes a:

• Penetrant

The various uses of pipes:

• Piping, the use of pipes in industry
• Pipeline transport, for many forms of long-distance fluid transport
• Plumbing, residential or commercial pipe systems for water or sewage
• Irrigation, the use of pipes to provide water to plants
• Plastic Pressure Pipe Systems, for use in industrial fluid handling
• Piping, the action of dispensing frosting with pastry bags.

A channel for carrying fumes:

• Exhaust pipe, used to channel waste fumes from an engine or stove
• Smoking pipe, for the smoking of tobacco
• Smoking pipe (non-tobacco)
  • Crackpipe
  • Bong or hookah, both sometimes referred to as water pipes, the former for cannabis, the latter for tobacco
  • Gravity bong

A pipe-shaped structure:

• Pipe (geomorphology), an underground drainage channel
• Volcanic pipe, a deep, narrow cone of solidified magma
• Postpipe, archaeological remains of a timber in a posthole
• Half-pipe and quarter pipe, semi-circular ramps for performing skateboarding/snowboarding tricks
• Pipe, or butt, a cask measurement

• Pipe, pipe character or vertical bar, the ASCII character at position 124 (decimal), 7C (hex), 01111100 (binary), character '|'
• Pipeline (Unix), a set of processes chained by their standard streams
• Pipeline (software), a chain of processes or other data processing entities
• Named pipe, a method of inter-process communication
• Anonymous pipe
• Yahoo Pipes, a web service and programming interface to aggregate data feeds

• The traditional pipe
• Bagpipe, a class of musical instrument, aerophones using enclosed reeds
  • Pipes and drums, or pipe bands comprised of musicians who play the Scottish and Irish bagpipes
• Pan pipes, an ancient musical instrument based on the principle of the stopped pipe
• Uilleann pipes, a unique form of bagpipes originating in Ireland
• Organ pipe, one of the tuned resonators that produces the main sound of a pipe organ
• Pitch pipe, a small device which may be described as a musical instrument
• Boatswain's pipe, also known as a bosun's whistle
• Pipe, informal term for the flute or recorder

• PIPE transactions, Private Investment in Public Equity

• Piping (sewing), a cord or string covered in fabric that is used for embellishment
• Pipe (car), a Belgian car brand
• Pipe (band), a musical group on the Merge Records label
• Pipe bomb, a form of IED

• PIPE
• PIPES, a common buffer used in chemistry and biology laboratory work
• Piper (disambiguation)
• Pipette, used in chemistry and biology laboratory work
• Pipeline
• List of people by name: Pipe-
• British standard pipe thread