hairspring

IPA: hˈɛrsprɪŋ

A spring, made of a coil of fine wire, that is used to regulate the movement of a balance wheel in a watch.

Examples of "hairspring" in Sentences

Watches with hairspring wheels work in a similar way.
If not, she manually bends the hairspring to perfection.
The hairspring comprises an inner turn ending in a bend.
This allows the hairspring to breath more evenly and symmetrically.
A balance spring, or hairspring, is a part used in mechanical timepieces.
In addition, the hairspring would lengthen, decreasing its spring constant.
A Henry Grendon yellow gold and enamel pre-hairspring verge watch, circa 1640.
Pendleton asked Hamilton if he wanted the hairspring set a hairspring is a mechanism that would give the trigger a much lighter touch.
In general order of accuracy, these methods include a piezoelectric accelerometer, a coiled spring mechanism, and a hairspring mechanism.
When he thought about it, however, he decided that, of course, the criminalist had indeed ordered it taken apart, down to the last hairspring and jewel, for the forensics team but then had it reassembled perfectly.
Man-made clocks work on timescales that are very short by evolutionary standards – hours, minutes, seconds – and the time-dependent processes they use are fast: the swinging of a pendulum, the swivelling of a hairspring, the oscillation of a crystal, the burning of a candle, the draining of a water vessel or an hourglass, the rotation of the earth registered by a sundial.