Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Permanently hardening or solidifying on being heated. Used of certain synthetic resins.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry becoming permanently hard or solidifying when heated; used especially of synthetic plastics such as Bakelite.

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

  • adjective having the property of becoming permanently hard and rigid when heated or cured

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

thermo- +‎ setting

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Examples

  • Includes discussion of natural polymers from tropical trees and the vulcanization of rubber, semi-synthetics (such as celluloid), thermosetting plastics (such as Bakelite), amino plastics (such as melamine), thermoplastics, and high-tech plastics.

    NEW ON THE NET 2008

  • Rifles were originally stocked with wood because the chemists of the late 1400s had not gotten around to inventing Kevlar, fiberglass, and thermosetting plastics.

    Not All Stocks Grow on Trees 2007

  • Rifles were originally stocked with wood because the chemists of the late 1400s had not gotten around to inventing Kevlar, fiberglass, and thermosetting plastics.

    Not All Stocks Grow on Trees 2007

  • Hexion says it's the world's largest producer of thermosetting resins, known in the trade as "thermosets."

    Hexion IPO Could Be Toxic 2006

  • Look for a little life in early trading, but overall, Hexion's IPO will be about as exciting as watching those thermosetting resins boost adhesion as paint dries.

    Watching Paint Dry IPO Outlook: Hexion Specialty Chemicals 2006

  • Hexion says it's the world's largest producer of thermosetting resins, known in the trade as "thermosets."

    Watching Paint Dry IPO Outlook: Hexion Specialty Chemicals 2006

  • Wools are subjected to a similar variety of preshrinking methods using water, chemicals, or thermosetting resin treatments.

    HOME COMFORTS CHERYL MENDELSON 2005

  • Wools are subjected to a similar variety of preshrinking methods using water, chemicals, or thermosetting resin treatments.

    HOME COMFORTS CHERYL MENDELSON 2005

  • Wools are subjected to a similar variety of preshrinking methods using water, chemicals, or thermosetting resin treatments.

    HOME COMFORTS CHERYL MENDELSON 2005

  • Wools are subjected to a similar variety of preshrinking methods using water, chemicals, or thermosetting resin treatments.

    HOME COMFORTS CHERYL MENDELSON 2005

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