(quantum information science) One of a set of four entangled states, namely |𝛷⁺⟩=1/√(|00⟩+|11⟩), |𝛷⁻⟩=1/√(|00⟩-|11⟩), |𝛹⁺⟩=1/√(|01⟩+|10⟩), and |𝛹⁻⟩=1/√(|01⟩-|10⟩), where |xy⟩:=|x⟩⊗|y⟩; these are the simplest examples of entangled states.

A gallant swordswoman; a dashing female adventurer.

(hunting, firearms) A shot at an animal's head taken diagonally from behind.

A bell belonging to a church, usually housed in a tower or steeple, customarily rung before church services or for other occasions such as weddings.

plural of church bell

A small quantity of schoolwork, with instructions posted or announced at or before the start of class, so that students commence working on it as soon as the class period has begun.

(transitive, boxing, wrestling) In a boxing or wrestling match or similar competition, to ring the bell which concludes the round and thereby to prevent a competitor who has been knocked down from being counted out by the referee.

(boxing, wrestling, of a competitor) In a boxing or wrestling match or similar competition, spared from being counted out by the referee by the ringing of the bell which concludes the round.

A tent having a bell-like shape.

plural of bell tent