Definition of "dimension" in English

noun

1. A single aspect of a given thing.

   • This film can be enjoyed on many dimensions - the script is great, the acting is realistic, and the special effects will simply take you aback.

2. A measure of spatial extent in a particular direction, such as height, width or breadth, or depth.

3. A construct whereby objects or individuals can be distinguished.

4. (geometry) The number of independent coordinates needed to specify uniquely the location of a point in a space; also, any of such independent coordinates.

5. (linear algebra) The number of elements of any basis of a vector space.

6. (physics) One of the physical properties that are regarded as fundamental measures of a physical quantity, such as mass, length and time.

   • The dimension of velocity is length divided by time.

7. (computing) Any of the independent ranges of indices in a multidimensional array.

8. (science fiction, fantasy) A universe or plane of existence.

   • a machine that lets you travel to a parallel dimension.

verb

1. (transitive) To mark, cut or shape something to specified dimensions.

2. (transitive, programming) To specify the size of (an array or similar data structure); to allocate.