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Pronunciation varies by accent · noun
(optics) A device used to measure the curvature of a surface, such as a lens..
More precisely, a spherometer directly measures a sagitta (distance between a point and a chord), allowing the radius of curvature to be calculated.
Use spherometer when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Spherometer means (optics) A device used to measure the curvature of a surface, such as a lens..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
More precisely, a spherometer directly measures a sagitta (distance between a point and a chord), allowing the radius of curvature to be calculated.
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