isinglass

isin·glass

noun \ˈī-z^ən-ˌglas, ˈī-ziŋ-\

Definition of ISINGLASS

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 glue

2

: mica especially when in thin transparent sheets; especially : muscovite 2

Origin of ISINGLASS

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

First Known Use: 1535

Other Mineralogy Terms

agate, host, inclusion, matrix, streak

Rhymes with ISINGLASS

biogas, biomass, bottled gas, cabin class, channel bass, cocktail glass, come to pass, demitasse, dressing glass, fiberglass, forward pass, gallowglass, gravitas, Hallowmas, hippocras, laughing gas, lemongrass, looking glass, Loveland Pass, lower-class, master class, middle-class, Montparnasse, opera glass, outlet pass, overclass, overpass, Plexiglas, Rogers Pass, ruby glass, safety glass, sassafras, second-class, shovel pass, solar mass, solemn mass, superclass, tourist class, underclass, underpass, upper-class, votive mass, water glass, weatherglass, working-class