Three-dimensional CAD or 3D CAD, an increasingly common method of creating architectural and engineering drawings.

A parallel universe (fiction)

A dimension is a spatial characteristic of an object; that is, length, width, or height. Dimension may also be:

An alternate universe

Dimensional analysis, in science

Dimension (movie), a movie by Lars von Trier currently being shot over 33 years (estimated release date : 2024)

A plane (metaphysics) of existence

Dimension (data warehouse)

Dimension (statistics), in science

Dimension (metadata), in a metadata registry

Dimension Records, a record label

Dimension (vector space), a property of a vector space in mathematics.

Dimension, a desktop computer line made by Dell Inc.

Dimension (shampoo), manufactured by Lever Brothers

Dimension Films, a movie company, a subsidiary of The Weinstein Company

Dimensions (EP), the EP by Wolfmother

Dimension (song), the song by Wolfmother

Dimension (company), a subsidiary of Stratasys which manufactures 3D printers

Dimensions (Believer album), an album by Believer