The obscure word of the week is pounce – but not that pounce, another pounce

This week’s obscure English word is pounce in its noun form. The usual ‘pounce’ is a verb and means to suddenly jump on something, literally or figuratively; but the noun ‘pounce’ has a very different meaning. It refers variously to a fine powder used to stop wet ink from spreading on a page, or to … More The obscure word of the week is pounce – but not that pounce, another pounce

The obscure word of the week is birefringent

This week’s obscure English word is birefringent. This is a physics term meaning something that has two refractive indices. Just to explain that, most transparent materials bend light in one direction, a ‘refractive’ property. Birefringence is usually a product of crystalline minerals such as calcite, and of the way light is bent in two directions … More The obscure word of the week is birefringent