archipendulum

词形变化

archipendulums 复数 archipendula 复数

释义与例句

n.
  1. 1.

    An ancient device used to measure angles, consisting of an A-shaped device with a plumbline attached to the top vertex and a mark on the midpoint of the crossbar.

词源

From archi- + pendulum.

来源:wiktionary