(aviation) The point in an aircraft's flight when there is insufficient fuel to reverse direction and return to the place of origin.

plural of carriage return

(idiomatic) A condition in which additional inputs into an organization, project or process produce progressively fewer or lower-quality additional outputs, and may, in extreme cases, cause the total quantity or quality of outputs to decrease.

The day when a defendant is to appear in court, and the sheriff is to return the writ and his proceedings.

A U-shaped pipe fitting for connecting the contiguous ends of two nearly parallel pipes lying alongside or one above another.

(of a valve) allowing air or liquid to travel in one direction only, and not permitting its return.

plural of return on investment

(finance) A benefit gained by an investor from an investment.

(economics, idiomatic, plural only) a function describing how returns scale when production increases in the long run

(electrical engineering) The electric current in a circuit which flows back to its source, or to earth.