perpendicle

词形变化

perpendicles 复数 perpendicles

释义与例句

n.
  1. 1.

    Something that hangs down, especially straight down, such as a plumb line.

    废旧

    For quotations using this term, see Citations:perpendicle.

词源

From Middle English perpendicle, from Latin perpendiculum, from per + pendere (“to hang”). Compare French perpendicule.

来源：wiktionary