(Indo-European studies) A sound change that affected the Proto-Indo-European stop consonants in the development of Proto-Germanic, causing devoicing or change into a fricative.

(dated) Boyle's law

Synonym of mother-in-law apartment

Alternative spelling of paenultima law

(linguistics and orthoëpy, sometimes “the paenultima law of accentuation”) The rule of Classical Latin pronunciation which states that a word receives antepenultimate stress if its penult is a short or metrically light syllable, but receives penultimate stress if its penult is a long or metrically heavy syllable.

(Wicca) A key tenet of Wicca, stating that the energy a person puts out into the world, whether positive or negative, will return to them multiplied three times.

(trigonometry) law of cosines

(trigonometry) law of sines

(trigonometry) A statement that relates the lengths of the sides of a triangle to the sines of its angles.

Archaic form of lawsuit.