“Perpendicular” in Japanese
Short answer
Perpendicular in Japanese is “直角” (chokkaku). Full meaning: right angle, perpendicular.
Other ways to say “Perpendicular” in Japanese
鉛直
enchoku upright, vertical, perpendicular
垂直
suichoku vertical; perpendicular
ちょっかく
chokkaku right angle, perpendicular
えんちょく
enchoku upright, vertical, perpendicular
すいちょく
suichoku vertical; perpendicular
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