垂すい直ちょく

す

い

ちょ

く

Common wordJLPTN2Freq.FrequencyTop 20,000

Meanings

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.

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.

〈物もの〉に垂すい直ちょくに立たてるto stand something up perpendicular to X
板いたを地じ面めんに垂すい直ちょくに立たてた。
I stood the board up perpendicular to the ground.
〈物もの〉と垂すい直ちょくに交まじわるto intersect perpendicularly with X
この道みちはあの道みちと垂すい直ちょくに交まじわっている。
This road intersects that road at a right angle.
垂すい直ちょくに上じょう昇しょうするto rise or ascend vertically
ロケットは垂すい直ちょくに上じょう昇しょうしていった。
The rocket rose straight up into the sky.
垂すい直ちょくの壁かべa sheer, vertical wall
そのクライマーは垂すい直ちょくの壁かべを登のぼった。
The climber scaled the sheer vertical wall.

直ちょく立りつ sense 1
直立 emphasizes something (often a person or structure) standing upright, while 垂直 is the more general geometric term for a vertical or perpendicular orientation.
直ちょっ角かくN2
垂直 describes something being perpendicular to a reference line or surface (like the ground), while 直角 refers specifically to a 90-degree angle itself.

水すい平へいN2sense 1
水平 means 'horizontal' or 'level', while 垂直 means 'vertical' or 'perpendicular' to the horizon.

直ちょっ角かくN2sense 2
直角 refers to a 90-degree angle itself, whereas 垂直 describes the perpendicular relationship between two lines or surfaces.
直ちょっ下か
垂直 describes a vertical or perpendicular angle/direction in general, whereas 直下 specifically means being positioned below or falling straight down, so the two overlap in meaning but aren't interchangeable.

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From 垂 (hanging down) and 直 (straight). The combination conveys the idea of a straight line hanging down, i.e., vertical.