(US, politics) Two members of Congress who would have otherwise cast opposing votes, but who form an agreement whereby one announces the couple is a live pair and registers his or her own vote as present rather than for or against. Although not recognized or recorded in vote tallies, the effect is to allow the other member to be absent without affecting the outcome of the vote.

(chemistry, physics) Two electrons having opposite spin but all other quantum numbers the same; i.e two electrons in the same atomic orbital or molecular orbital, especially such electrons that function in concert to form a covalent bond

plural of pair of binoculars

A hand-held device consisting of a series of lenses and prisms, used to magnify objects so that they can be better seen from a distance, and looked at through both eyes.

A pair of glasses with tinted lenses designed to protect the eyes from sunlight.

(chiefly Britain) Small, handheld pruning shears.

A pincer-like gripping tool that multiplies the strength of the user's hand, often used for bending things.

plural of pair of shades

plural of pair of sunglasses

(informal) sunglasses