balance wheel

noun

, Horology.

1. balance ( def 15 ).

balance wheel

noun

1. a wheel oscillating against the hairspring of a timepiece, thereby regulating its beat

Word History and Origins

Origin of balance wheel¹

First recorded in 1660–70

Example Sentences

The old clock is prepared for use by removing the hands, balance wheel and escapement so that the wheels will turn freely.

From Project Gutenberg

There are two pairs of engines and pumps, working on cranks, set at right angles, and turning a balance-wheel seen behind them.

From Project Gutenberg

Christy saw that he had considerable mechanical genius, but he certainly lacked a balance-wheel.

From Project Gutenberg

With regard to balance-wheel clocks, it is more difficult to explain the mode of repairing, to the inexperienced.

From Project Gutenberg

On his desk a little clock was ticking, each motion of its balance-wheel bringing nearer the tragedy impending.

From Project Gutenberg