plural of haustral contraction

The decrease in length of a moving object in the direction of motion, measurable only at relativistic speeds.

plural of Lorentz-Fitzgerald contraction

plural of Braxton Hicks contraction

A sporadic uterine contraction during pregnancy; false labour.

(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".

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

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.

(law, banking) A contractual agreement governing the handling of deposited assets, for example in a bank.