Answer: isinglass

AnswerCrossword Clue
ISINGLASSVery pure form of gelatin.
ISINGLASSTranslucent gelatin.
ISINGLASSTransparent material
ISINGLASSFish glue
ISINGLASSClarifying agent in glues and jellies
ISINGLASSCommon mica
ISINGLASSMica in thin sheets
isinglass(Dutch) the dried bladder of certain fish, esp the sturgeon, used eg to clarify wines
isinglassMica or a similar material in thin transparent sheets
isinglassA kind of gelatin obtained from fish, esp. sturgeon, and used in making jellies, glue, etc., and for clarifying ale