isinglass

== English == === Etymology === Apparently from obsolete Dutch huisenblas, from German Hausenblase, from Hausen (“sturgeon of the Huso genus”) + Blase (“bladder”), with alteration after glass. === Pronunciation === (Received Pronunciation) IPA(key): /ˈaɪzɪŋɡlɑːs/ (General American) IPA(key): /ˈaɪzɪŋɡlæs/ Hyphenation: i‧sin‧glass === Noun === isinglass (usually uncountable, plural isinglasses) A form of gelatine obtained from the air bladder of the sturgeon and certain other fish, used as an adhesive and as a clarifying agent for wine and beer. A thin, transparent sheet of mica (probably from its similarity to true isinglass and/or resulting from confusion with the term Muscovy glass for glazing made from mica, but also used for isinglass, which was chiefly produced in the Caspian Sea region of Russia, or Muscovy). 1914, A. J. Jarman, “Photographs upon Mica and Similar Material”, The Camera, London: [Camera Publishing Company], volume 18, number 7, OCLC 50541188, page 398: There is a general error prevalent that mica is isinglass, and many times it is spoken of as isinglass, but there is a great difference between the two. Mica is mainly composed of silicate of aluminum, while isinglass is a fish gelatine or glue […] 1943, Oscar Hammerstein II (lyrics), Richard Rodgers (music), “The Surrey with the Fringe on Top”, from Oklahoma!: The dashboard's genuine leather, / With isinglass curtains y' can roll right down, / In case there's a change in the weather. ==== Derived terms ==== ==== Translations ==== === Further reading === David Barthelmy (1997–2026), “Isinglass”, in Webmineral Mineralogy Database.