na-adjective, noun which may take the genitive case particle 'no', noun
Describes a line, direction, or orientation that is straight up and down, perpendicular to the horizon.
この壁は垂直に立っている。
This wall stands vertically.
垂直線を引いてください。
Please draw a vertical line.
na-adjective, noun, noun which may take the genitive case particle 'no'
perpendicular
Used in geometry and technical contexts for lines or planes at right angles to a given line or surface.
この直線は底面に垂直である。
This line is perpendicular to the base.