(sociology) A phenomenon where women in leadership roles are likelier than men to achieve such roles during periods of crisis or downturn, when the risk of failure is highest.

Alternative spelling of rock glass

(glassware) A kind of short but not small cylindric and often faux-crystal glass for distilled alcoholic beverage.

(chemistry, mining, geology, artisanship) Metastable glass of volcanic or dyke origin. / Alternative form of rocks glass (“short cylindrical liquor stoop”)

plural of rocks glass

plural of glass-ceramic

Synonym of flyaway spectacles

A large convex lens or concave mirror that can concentrate the sun's rays onto a small area, heating up the area and thus resulting in ignition of the exposed surface.

(Cockney rhyming slang) arse

A glass made to imitate agate by stacking glass layers of different colours and thickness and fusing them with heat.