(roofing) a method of valley application in which shingles from one side of the valley extend across the valley while shingles from the other side are trimmed back a few inches from the valley centerline.

A chess game in which the queen's pawn advances two spaces in the first ply move, but not in the second ply move.

plural of semi-closed game

blood circulation via the pumping of the heart pushing blood through closed vessels

(science fiction) A chain of events in which someone or something time travels to the past as a means to fulfill their role in the history exactly as it already happened, thus implying impossibility to change the past.

plural of closed time loop

(physics) A worldline that returns to its starting point.

plural of closed timelike curve

(programming, object-oriented programming) Alternative spelling of open-closed principle

(programming, object-oriented programming) A principle that states that software entities (such as classes, modules, and functions) should be open for extension, but closed for modification.