He can't kill you in that dimension, he assured her.
Gives a whole new dimension to poetic license, don't it?
And every additional idea that does not merely derange an art enlarges it as it were by a new dimension in space.
Length, breadth and thickness; thus a line has only length and is said to be of one dimension, a surface has length and breadth, and has two dimensions, a solid has length, breadth and thickness, and has three dimensions.
The "fourth dimension" is a type of nonEuclidean geometry, in which it is conceived that a "solid" has one dimension more than the solids of experience.