(Indo-European studies) A sound law describing the voicing of voiceless fricatives in early Proto-Germanic, due to placement of the accent on a word.

(phonology) A rule that describes historical sound change (the change in pronunciation of a given sound or cluster of sounds) in the development of a language.

plural of uncle-in-law

(nonstandard) The husband of one's uncle or aunt (parent's sibling). / The uncle of one's husband. / The uncle of one's wife.

Alternative letter-case form of Murphy's law

(uncountable, Islam) An Islamic legal system, based upon the Qur'an, hadith, and tafsir and subsequently modified and interpreted by Islamic judges. / (countable, Islam) Any of the laws in this system.

A relationship in physical chemistry stating that the total enthalpy change during the complete course of a reaction is the same whether the reaction is made in one step or in several steps.

plural of sus law

A scientific generalization about nature based upon empirical observation. / A natural law (any of a number of doctrines in moral, political and legal theory)

The husband of one's granddaughter or grandson.