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Definition of "isinglass" [i•sin•glass]

  • A transparent, almost pure gelatin prepared from the air bladder of the sturgeon and certain other fishes and used as an adhesive and a clarifying agent. (noun)
  • Mica in thin, transparent sheets. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "isinglass" in a sentence
  • "More photos and interactive graphics Sturgeon-bladder powder, called isinglass, is what winemaker Larry Londer added to a few gallons of his 2008 pinot noir to try to fix it."
  • "This is because many beers are classified with isinglass, which is a collagen made from the bladders of fish."
  • "More taste trials follow in the lab with the blends, using different potential fining agents, such as isinglass (sturgeon bladder) or casein (milk protein) – for whites – to improve the palate."