What does 垂直 mean?
垂直 is a Japanese noun meaning “vertical, perpendicular” in English. It can also be translated as “perpendicular” depending on context. It is written as 垂直 in kanji, すいちょく in hiragana, and suichoku in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
ヘリコプターは垂直に離陸し、着陸することができる。
A helicopter is able to take off and land straight up and down.