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isinglass

American  
[ahy-zuhn-glas, -glahs, ahy-zing-] / ˈaɪ zənˌglæs, -ˌglɑs, ˈaɪ zɪŋ- /

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 British  
/ 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 Scientific  
/ 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.


Etymology

Origin of isinglass

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

Vocabulary lists containing isinglass

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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.”

From National Geographic Jul. 20, 2023

Each flake of ancient paint was treated with a tiny drop of isinglass, a natural collagen obtained from the swim bladder of a sturgeon, which was applied, heated and pressed down to match the surface.

From New York Times Dec. 19, 2016

As the number of active breweries has soared - from less than 700 in 2009 to more than 1,500 in 2016 - the number of those that leave out isinglass and other items has grown.

From BBC Sep. 14, 2016

Mr Protz is encouraging more breweries to follow the lead of Guinness, which announced last year it would stop using isinglass in its products.

From BBC Sep. 14, 2016

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

From "A Tree Grows in Brooklyn" by Betty Smith

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