vernier scale
- noun
- /ˈvɜrnɪər skeɪl/
- Specialized
- The vernier scale allows for accurate measurements.
Examples
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He used a vernier scale to obtain more precise measurements than the main ruler could provide.
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The technician checked the length with a caliper equipped with a vernier scale for accuracy.
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Reading the vernier scale requires careful alignment of its marks with the main scale.
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Can you explain how the vernier scale works?
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The engineer used the vernier scale to measure the length of the component accurately.
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To achieve precise readings, he relied on the vernier scale of his caliper.
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When calibrating the instrument, ensure the vernier scale is aligned correctly with the main scale.
Synonyms
A small sliding scale on a measuring tool that shows very small measurements
A small scale on a measuring tool for more precise readings
How Precise
- Specialized
- Specialized
- Specialized
Surface Forms
Morphology
The compound is directly compositional: 'vernier' names a fractional-division indicator and 'scale' is a measuring instrument, so 'vernier scale' straightforwardly denotes a type of measuring scale that includes a vernier for precise readings. This modifier+noun pattern is literal and non-idiomatic, so a learner who knows both constituents would be able to infer the MWE's meaning.
Etymology
Vernier scale is named after Pierre Vernier, a French maker who added a small sliding part called the vernier to a main scale. By matching the tiny lines of the sliding part with the ruler's marks, the device lets you 'measure very exactly'.