① 空間の次元が二であること。長さと幅のように二つの方向を持つ広がり。② アニメや漫画のキャラクター。
three dimensions; three dimensional; 3D; real world; IRL (in real life)
another dimension; different level; whole other level
high dimension; higher dimensions
three dimensions; three dimensional; 3D; real world; IRL (in real life)
low-level; trivial; coarse; low-dimension
dimensional regularisation; dimensional regularization