垂直
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Base na-adjective form. Describes something that is upright or at a right angle. Used with 『な』 (na) before nouns, e.g., 『垂直な線』 (suichoku na sen, 'vertical line').
Theme
During a math study session, User and their friend Aiko are working on geometry problems.
垂直
すいちょく
vertical / perpendicular
Core Language Building BlocksDescriptive Language
Memory Hook
Picture a 'vertical' line standing straight up like a 'suit' (sounds like 垂直 suichoku). Imagine a suit hanging perfectly vertical — 'suit-choku' for straight up!
Cultural Note
In Japanese architecture and design, 『垂直』 (suichoku) is used to describe perpendicular lines, such as in buildings or art. It's a common term in geometry and engineering contexts.
Forms
Base: 垂直Base na-adjective form. Describes something that is upright or at a right angle. Used with 『な』 (na) before nouns, e.g., 『垂直な線』 (suichoku na sen, 'vertical line').
Negative: 垂直ではないAdd 『ではない』 (de wa nai, 'is not') after the base form → 『垂直ではない』 (suichoku de wa nai).
Past: 垂直だったAdd 『だった』 (datta, past copula) after the base form → 『垂直だった』 (suichoku datta).
Adverbial: 垂直にAdd 『に』 (ni, adverbial particle) after the base form → 『垂直に』 (suichoku ni).
Comparative: より垂直Comparative formed with modifier 『より』 (yori, 'more than') + base adjective.
Superlative: 一番垂直Superlative formed with 『一番』 (ichiban, 'most') + base adjective.