(mathematics) A formula that connects trigonometry and complex numbers, stating that, for any complex number (and, in particular, for any real number) x and integer n, big ( cos (x)+i sin (x) big )ⁿ= cos (nx)+i sin (nx), where i is the imaginary unit.

A type of bread from France formed in large round loaves.

(obsolete) A kind of woollen cloth imported from Berry in France.

Alternative form of Roger de Coverley (“country dance”)

A kind of British country dance.

(dated) Favourable; ideal.

Lightheartedness; playfulness.

plural of mousseline de laine

plural of mousseline de laine

(historical) An untwilled woolen cloth produced in various colours and patterns.