balance spring
noun Horology.
Origin of balance spring
First recorded in 1880–85
Words nearby balance spring
balance of terror,
balance of trade,
balance pipe,
balance shaft,
balance sheet,
balance spring,
balance staff,
balance the books,
balance weight,
balance wheel,
balanced
Example sentences from the Web for balance spring
The balance-spring is attached at its outer end to a fixed stud R, and at its inner end to staff of balance.
The Library of Work and Play: Mechanics, Indoors and Out |Fred T. HodgsonThis balance compensates both for its own expansion and contraction, and that of the balance-spring.
The Library of Work and Play: Mechanics, Indoors and Out |Fred T. Hodgson