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isinglass

[ ahy-zuhn-glas, -glahs, ahy-zing- ]

noun

  1. a pure, transparent or translucent form of gelatin, obtained from the air bladders of certain fish, especially the sturgeon: used in glue and jellies and as a clarifying agent.
  2. mica, especially in thin, translucent sheets.


isinglass

/ ˈaɪzɪŋˌɡlɑːs /

noun

  1. a gelatine made from the air bladders of freshwater fish, used as a clarifying agent and adhesive
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

isinglass

/ īzən-glăs′,īzĭng- /

  1. A transparent, almost pure gelatin prepared from the inner membrane of the swim bladder of the sturgeon and certain other fishes. It is used as an adhesive and a clarifying agent.
  2. Mica, especially in the form of the mineral muscovite.
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Word History and Origins

Origin of isinglass1

1535–45; < Middle Dutch huysenblase (with glass for blase by folk etymology), literally, sturgeon bladder; cognate with German Hausenblase
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Word History and Origins

Origin of isinglass1

C16: from Middle Dutch huysenblase , literally: sturgeon bladder; influenced by English glass
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Example Sentences

Bentonite clay, gelatin, egg albumin from egg whites, purified milk proteins called casein and isinglass made from the bladders of sturgeons, are all used to filter the wine through a process called “fining.”

Occasionally, bottles are fined, or clarified, with animal products like egg whites, milk casein or isinglass, which comes from fish.

He kept the isinglass curtains snapped to the windows to cut off the draughts, and tight around his neck he wore his gray wool shawl.

Fining works the same way, using proteins such as albumin from egg whites, casein from milk, or isinglass from, well, fish guts.

Powdered isinglass was pasted on the roof and it glistened more brightly than real snow.

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