Definition of isinglass in English:

isinglass

Syllabification: i·sin·glass
Pronunciation: /ˈīzənˌɡlas, ˈīziNG-
 
/

noun

1A kind of gelatin obtained from fish, especially sturgeon, and used in making jellies, glue, etc., and for clarifying ale.
More example sentences
  • The animal kingdom was represented by gelatin in the form of meat stock; isinglass; and hartshorn.
  • Antonin poured the thickening isinglass alternately into the fruit juice and the almond milk.
  • Sometimes the wood surface was prepared with a coating of gesso or isinglass diluted in water with a little white pigment added.
1.1chiefly US Mica or a similar material in thin transparent sheets.

Origin

mid 16th century: alteration (by association with glass) of obsolete Dutch huysenblas 'sturgeon's bladder', from huysen 'sturgeon' + blas 'bladder'.

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