simple past tense and past participle of check and balance

(idiomatic) Provide mutual oversight and limitation by independent organizations in order to prevent abuses of power.

(idiomatic) The mutual oversight provided by a system of independent organizations with control over each other.

plural of harmonic balancer

A device connected to the crankshaft of an engine to reduce torsional vibration and to serve as a pulley for drive belts.

plural of balance transfer

plural of balanced budget

plural of balanced category

plural of balanced diet

plural of balance of power