counterbalancings

Noun

counterbalancing (plural counterbalancings)

1. The act by which something is counterbalanced.
   • "The ability of these large locomotives to run at such high speeds without pounding themselves to pieces", my correspondent concludes, "is a tribute to the vast improvement in the counterbalancing of American locomotives since a day in October, 1904, when one pair of the driving wheels of a Baldwin...1964 March, Cecil J. Allen, “Locomotive Running Past and Present”, in Modern Railways, page 193