(firearms) a sight mount with a strong metal frame between the rings, used on large-caliber rifles to negate the effects of recoil on accuracy.

(physics) A specialized form of a Wheatstone bridge network designed to eliminate the effect of lead and contact resistance and thus permit accurate measurement of low resistances.

A bridge whose deck or roadway is suspended from cables.

(chemistry) Any carbenium ion in which the positive charge is distributed amongst two or more carbon atoms, and the structure is best represented by one in which a hydrogen atom, or hydrocarbon residue, bridges these carbon atoms.

(architecture) a bridge in which the horizontal deck is suspended from a reverse catenary to counteract bending

Alternative form of airbridge.

A bridge supported on a system of trestles.

The original form of contract bridge; so called because bonuses are awarded for scoring sufficient points to win games and thereby a rubber, which is the best of three games.

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

plural of land bridge