Main Entry:

isin·glass

Pronunciation:

\ˈī-z^ən-ˌglas, ˈī-ziŋ-\

Function:

noun

Etymology:

probably by folk etymology from obsolete Dutch huizenblas, from Middle Dutch huusblase, from huus sturgeon + blase bladder

Date:

1535

1: a semitransparent whitish very pure gelatin prepared from the air bladders of fishes (as sturgeons) and used especially as a clarifying agent and in jellies and glue2: mica especially when in thin transparent sheets ; especially : muscovite 2