The condition in a stereo system wherein both speakers produce the same average sound levels.

1. The equilibrium attained by an aircraft, rocket, or the like when forces and moments are acting upon it so as to produce steady flight, especially without rotation about its axes.

2. The equilibrium about any specified axis that counterbalances something, especially on an aircraft control surface, such as a weight installed forward of the hinge axis to counterbalance the surface aft of the hinge axis.

To bring a chemical equation into balance so that reaction substances and reaction products obey the laws of conservation of mass and charge.

The state of an electrical network when it is adjusted so that voltage in one branch induces or causes no current in another branch.

An instrument for measuring mass or weight.

The counterpoise or weight attached by cable to the drum of a winding engine to balance the weight of the cage and hoisting cable and thus assist the engine in lifting the load out of the shaft.