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Definition of Riser

Babylon English

one who rises (especially from bed); vertical board connecting two stair treads; large stair-like platform used during stage performances
Riser Definition from Arts & Humanities Dictionaries & Glossaries
Glossary of Technical Theatre Terms
1) Any platform on stage. For instance, the series of platforms for choral presentations are called choral risers, the rostrum on which a drumkit and drummer is positioned is the drum riser. 2) The vertical portion of a step which gives a set of treads its height. 3) A microphone which can be raised through a small trap in the stage floor to a convenient height for an actor. Usually positioned just upstage of the footlight position, centre stage.
Jon Primrose
Riser Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(n.)
The upright piece of a step, from tread to tread.
  
(n.)
One who rises; as, an early riser.
  
(n.)
Any small upright face, as of a seat, platform, veranda, or the like.
  
(n.)
A shaft excavated from below upward.
  
(n.)
A feed head. See under Feed, n.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

riser
\ris"er\ (?), n.
1. one who rises; as, an early riser.
2. (arch.) (a) the upright piece of a step, from tread to tread. hence: (b) any small upright face, as of a seat, platform, veranda, or the like.
3. (mining) a shaft excavated from below upward.
4. (founding) a feed head. see under feed, n.
riser
n
1. a person who rises (especially from bed); "he's usually a late riser"
2. structural member consisting of the vertical part of a stair or step

WordNet 2.0

Noun
1. a person who rises (especially from bed); "he's usually a late riser"
(hypernym) person, individual, someone, somebody, mortal, human, soul
(hyponym) early bird
(derivation) get up, turn out, arise, uprise, rise
2. a vertical pipe in a building
(synonym) riser pipe, riser pipeline, riser main
(hypernym) pipe, pipage, piping
3. structural member consisting of the vertical part of a stair or step
(hypernym) structural member
(part-holonym) step, stair
Riser Definition from Business & Finance Dictionaries & Glossaries
Glossary of petroleum Industry
(1) a pipe through which liquid or gas flows upward. (2) in offshore drilling by semisubmersible, jackup, fixed platform, or drillship, a riser is the casing extending from the drilling platform through the water to the sea bed through which drilling is done. See marine riser system.
Glossary of Iron Casting Terms
A reservoir of molten metal provided to compensate for the contraction of the metal in a casting as it solidifies.
Glossary of elevator industry terms
Riser - A series of hall stations for an elevator or group of elevators
Riser Definition from Science & Technology Dictionaries & Glossaries
Oil and Gas Field Glossary
The assembly of high-pressure tubing sections which are installed within the well control stack to space out equipment components or provide the desired length of pressurized tube to allow deployment of long tool segments in pressurized wellbores.
Dictionary of Automotive Terms
See heat riser .
Riser Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Riser may refer to:
  • Riser (casting), a reservoir in a manufacturing mold
  • Stair riser, the vertical elements in a set of stairs
  • Drilling riser, a device used on a ship or offshore drilling rig
  • Neil Riser, a member of the Louisiana State Senate (United States)
  • Riser card, a printed circuit board which extends connectors away from another board
  • Early riser, a person who wakes up early in the day
  • Parachute riser, strip of webbing joining the harness to the rigging lines
  • Riser, a vertical duct through a multistorey building, such as a dry riser
  • Riser, a skateboard component which increases the space between the wheels and the deck
  • Riser, the center section of a recurve bow
  • Riser cable, a type of communications cable; contrast with plenum cable
  • Riser (album), a 2014 studio album by Dierks Bentley

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Riser Definition from Sports Dictionaries & Glossaries
maritime&shipping&trade
A vertical plate between steps in a stairway.
Skateboarding Glossary
Plastic piece under the base of the truck to raise it for better wheel clearance. Often used with larger wheels.
Riser Definition from Society & Culture Dictionaries & Glossaries
Environmental Engineering (English ver.)
A vertical pipe extending from the bottom of a pond BMP that is used to control the discharge rate from a BMP for a specified design storm.
Riser Definition from Entertainment & Music Dictionaries & Glossaries
film and video
(1) A cylindrical metal device placed betwen the dolly head and the camera base to raise the camera. (2) A prebuilt platform used to raise the set, camera, or lights. (Grip/Lighting)