vernier
/ˈvɚniːɹ/
noun 3name 1
Definitions
noun
1
A secondary scale with finer graduations than the primary scale of a measuring device; the vernier measures between graduations of the larger scale.
2
A secondary control input with finer control than the primary, or coarse, input; for example the vernier frequency tuning knob on a radio.
3
A secondary system of force application for the attitude control of a spacecraft; for example a vernier thruster.
name
1
A surname.
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