noun, noun which may take the genitive case particle 'no'
two-dimensional; 2D
Used in geometry, physics, and technical contexts to describe a plane or flat surface.
この図形は二次元で表されています。
This figure is represented in two dimensions.
二次元の座標を計算する。
Calculate the two-dimensional coordinates.
noun which may take the genitive case particle 'no'
fictional; drawn; 2D (anime/manga)
Otaku-culture term contrasting fictional characters with real people (三次元). Often used humorously or affectionately.
彼は二次元のキャラクターにしか興味がない。
He's only interested in two-dimensional characters.
二次元と三次元の恋愛は別物だ。
Love in 2D and 3D are completely different things.
Compound of 二 (two) + 次 (order, dimension) + 元 (element, origin). A straightforward Sino-Japanese term for 'two-dimensional'.