spherometer

名词 n.
中文释义

英文释义

名词 n.
  1. 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.

词形变化

spherometers plural

词源

From sphero- + -meter.
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