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cathetometer

/,kæθi'tɔmitә/

📖 中文释义

  1. n. 高差计
  2. [化] 测高仪
📘 English Definition（英文释义）
  1. n. An instrument for the accurate measurement of small
  2. differences of height; esp. of the differences in the height of the
  3. upper surfaces of two columns of mercury or other fluid, or of the same
  4. column at different times. It consists of a telescopic leveling
  5. apparatus (d), which slides up or down a perpendicular metallic
  6. standard very finely graduated (bb). The telescope is raised or
  7. depressed in order to sight the objects or surfaces, and the
  8. differences in vertical height are thus shown on the graduated
  9. standard.
C 字母词表