from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act or process of pushing or thrusting out.
  • n. The act or process of shaping by forcing through a die.
  • n. An object or material produced by extruding.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A manufacturing process where a billet of material is pushed and/or drawn through a die to create a shaped rod, rail or pipe.
  • n. An item formed by the process of extrusion.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of thrusting or pushing out; a driving out; expulsion.

from The Century Dictionary and Cyclopedia

  • n. The act of extruding, in either use; a thrusting or driving out; expulsion.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. something that bulges out or is protuberant or projects from its surroundings
  • n. squeezing out by applying pressure


from The American Heritage® Dictionary of the English Language, 4th Edition

Medieval Latin extrūsiō, extrūsiōn-, from Latin extrūsus, past participle of extrūdere, to thrust out; see extrude.


  • The disproportion is so great between the two cells, that the phenomenon does not at first suggest the idea of cell division, and it is usually described as the extrusion of the first polar body.

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  • Then, in a process called "extrusion," the proteins are realigned so that the texture "mimics the fibrous nature of the muscle," which is the part we typically eat, says Phil Kerr , senior director of research and discovery for Solae LLC, a St. Louis developer of soy-based ingredients.

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  • Rather than merely pushing the Himalayas upward, as some geologists believe, others have argued that the indenting Indian plate also pushed Southeast Asia and China aside towards the Pacific ocean, a process referred to as extrusion or escape tectonics. - latest science and technology news stories

  • The research combines the metal and ceramic through the process of extrusion, which is similar to squeezing toothpaste through a tube but is precisely controlled. - latest science and technology news stories

  • There were also medical considerations, including thin skin that an implant might wear through in a rare phenomenon called extrusion, vigorous chest muscle spasms, and a delay in wound healing-all practical reasons why I was not ambitious about size.

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  • Mundell developed a special skill with a machine used to set windows - a process called extrusion - and worked in the 1990s for Milgard Windows & Doors in Fife, Stafford said.

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  • The slightly positive development of demand for metal products such as extrusion ingot, sheet ingot, foundry alloys and wire rod in the second half of 2009 has continued into 2010.

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  • The 'extrusion' is 1.5 "x3. 5", and you cut it to the length you want.

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  • I once loved you, and was troubled to see that thing go viral, especially with the groom what's his name again? drawn as one of Wagner's rapacious little Nibelungen, though you have to admire the artisanship, and the groom's lavish death by intestinal extrusion, which took years of study.

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  • Yet it is precisely this extrusion of interior matter that permits him to create.

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