spherometer

n. 球径计 [化] 球径计

词形变化

spherometers 复数 spherometers

释义与例句

n.
  1. 1.

    A device used to measure the curvature of a surface, such as a lens.

    工程 物理

    More precisely, a spherometer directly measures a sagitta (distance between a point and a chord), allowing the radius of curvature to be calculated.

词汇关系

名词

上位词 1

measuring device

词源

From sphero- + -meter.

来源：wiktionary