isinglass

• ⇰ A semitransparent, whitish, and very pure form of gelatin, chiefly prepared from the sounds or air bladders of various species of sturgeons (as the <spn>Acipenser huso</spn>) found in the rivers of Western Russia. It used for making jellies, as a clarifie
• ⇰ A popular name for mica, especially when in thin sheets.