perpendicular

US /ˌpə:pənˈdɪkjəlɚ/

UK /ˌpɜ:pənˈdɪkjələ(r)/

C1 高級
  • adj. 成直角的;垂直的;垂直線的;垂直的;正交的;直立式的;險峻的;垂直面;垂直線;垂線;垂立;絕壁;垂直的測定器;垂直的位置

例句

The axis of the moon will now be exactly perpendicular to that of the earth.

two mutually perpendicular directions