(pharmacology) Having a pharmaceutical effect principally in the long term.

(law) The doctrine, in European law, that cases involving a law with a reasonably obvious interpretation do not need to be referred to the European Court of Justice.

(idiomatic, US, chiefly colloquial) Authorization that is extremely difficult to get, especially in a timely fashion. / (literally, US politics) A statute enacted by the United States Congress.

plural of Act of God

An impulsive act lacking motive.

(genetics) Describing transcription factors that regulate the expression of genes on a different chromosome.

(genetics) Describing transcription factors that regulate the expression of genes on the same chromosome.

plural of speech act

A comic pairing in which humor is derived from the uneven relationship between two partners, usually of the same gender, age, ethnic origin and profession, but often with drastically different personalities or behavior, maybe with a stooge or straight man.

plural of double act