For more on words imported from Latin into common and specialized areas of English, see
Ab Extra
Ab extra is Latin for "from outside."
Ab Initio
Ab initio is the Latin for "from the beginning."
Ad Hoc
Ad hoc is a Latin term meaning "for this purpose".
Ad Hominem
Ad hominem is a Latin term meaning "to the man".
Ad Infinitum
Ad infinitum is the Latin for "to infinity."
Amicus Curiae
Amicus curiae is the Latin for "a friend of the court."
Bona Fide
Bona Fide means "in good faith."
Ceteris Paribus
Ceteris paribus means "other things being equal."
De Facto
De facto means "in fact."
De Iure
De iure means "based in law" and is contrasted with de facto.
De Novo
De novo means "anew".
Ex Cathedra
Ex cathedra means "from the [bishop's] chair."
In Situ
In situ means "in place."
Inter Alia
Inter alia is the Latin for "among other things."
Ipso Facto
Ipso facto is Latin for "by the fact itself."
Mutatis Mutandis
Mutatis mutandis means that the necessary things have been changed.
Non Sequitur
A non sequitur is something that does not follow.
Pari Passu
Pari passu means at an equal pace.
Persona Non Grata
Persona non grata is the Latin for a person who is not welcome.
Prima Facie
Prima facie means on its first appearance.
Pro Forma
Pro forma is the Latin for "as a matter of form".
Pro Rata
Pro rata is the Latin for "according to the amount calculated."
Pro Tempore
Pro tempore or pro tem is the Latin for "for the time (being)."
Q.E.D.
Quod erat demonstrandum (Q.E.D.) is the Latin for "that which was to be demonstrated."
Reductio ad Absurdum
Reductio ad absurdum is the Latin for "reduction to absurdity."
R.I.P.
R.I.P. stands for requiescat in pace, which translates as "rest in peace."
Rigor Mortis
Rigor mortis is the Latin for "stiffness of death."
Sine Qua Non
Sine qua non is the Latin for "without which not."
Sub Poena
Sub poena comes from the Latin for "under punishment."
Sui Generis
Sui generis is the Latin for "of one's own kind" or "peculiar".
Summa cum Laude
Summa cum laude is the Latin for "with highest praise."
Tabula rasa
Tabula Rasa is the Latin for "scraped tablet."

