Any of a group of frogs in the family Centrolenidae, with distinctive light-coloured or translucent skin.

An inhomogeneous medium, containing small spheres of varying size, in which the path of a light ray follows a Lévy flight

water gauge

A pair of binoculars for observing "in the field". / A small monocular refracting telescope. / The larger of the image lenses of an optical device.

plural of glass ceiling

plural of glass eye

An artificial eyeball, not necessarily made from glass, intended to replace a missing or removed eye.

water glass

A drinking vessel intended or used for water. / (inorganic chemistry) Any of various water-soluble silicate compounds, especially when occurring in dissolved, jelly-like form.

Synonym of carnival glass