(law) A writ issued by court authority to compel the attendance of a witness at a judicial proceeding; disobedience may be punishable as a contempt of court.

plural of value-added service

(business, marketing) A service used to promote the primary business of an enterprise that is provided at little or no cost.

plural of terminus ad quem

the latest possible date of a non-punctual event (period, era, etc.) / an objective or goal

The (fallacious) conclusion that the fact that Adolf Hitler had a particular idea or quality is sufficient proof that the idea is wrong or the property is bad.

(grammar) A grammatical construction in which a word’s inflexion is determined by the semantics of the word or words with which it associates, in contravention of what is required by grammar.

plural of constructio ad sensum

(computer science) A kind of polymorphism where polymorphic functions can be applied to arguments of different types, as they can denote a number of distinct and potentially heterogeneous implementations depending on the types of argument to which they are applied.

plural of ad-hoc polymorphism