isinglass(redirected from Eisenglas)
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1. A transparent, almost pure gelatin prepared from the swim bladder of the sturgeon and certain other fishes and used as an adhesive and a clarifying agent.
2. Mica in thin, transparent sheets.
(Chemistry) a gelatine made from the air bladders of freshwater fish, used as a clarifying agent and adhesive
[C16: from Middle Dutch huysenblase, literally: sturgeon bladder; influenced by English glass]
i•sin•glass(ˈaɪ zənˌglæs, -ˌglɑs, ˈaɪ zɪŋ-)
1. a pure, transparent or translucent form of gelatin obtained from the air bladders of certain fish, esp. the sturgeon, and used in glue and jellies and as a clarifying agent.
2. mica, esp. in thin sheets.
[1535–45; < Middle Dutch huysenblase (with glass for blase by folk etym.), literally, sturgeon bladder]
A transparent gelatin made from the bladder of certain fish and used to make glue. Isinglass was also a term applied to the thin, transparent sheets of mica used in woodand coal-burning stove door windows. When thin sheets of clear plastic first began to be used for such things as vehicle window curtains, they were also sometimes referred to as being of isinglass.
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|Noun||1.||isinglass - any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves; used as dielectrics because of their resistance to electricity|
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
biotite - dark brown to black mica found in igneous and metamorphic rock
lepidolite - a mineral of the mica group; an important source of lithium
muscovite - a colorless or pale brown mica with potassium
paragonite - a colorless or pale brown mica with sodium
phlogopite - a brown form of mica consisting of hydrous silicate of potassium and magnesium and aluminum
translucent substance, transparent substance - a material having the property of admitting light diffusely; a partly transparent material
zinnwaldite - a mica containing iron and lithium