(law, England & Wales, Northern Ireland) The act of exchanging contracts.

Third-person singular simple present indicative form of exchange contracts

simple past tense and past participle of exchange contracts

A person who contracts to kill a specified person for an agreed sum of money.

A contract entered into directly between the client and contractor (contracted provider of products or services.) Used especially of contracts involving government agencies or bodies, or entities such as educational institutions.

Synonym of Lorentz-Fitzgerald contraction

(law) An agreement in which an offeror's offer can be accepted only by the performance of an act by the offeree; a "promise for a performance".

(chemistry, physics) the progressive decrease in the radii of atoms of the lanthanide elements as the atomic number increases; evident in various physical properties of the elements and their compounds

A card game in which four players, forming two partnerships, first bid then play by taking tricks.

(anatomy) The tensioning of a muscle as it is being lengthened