Noun

(en noun)

(philosophy) The world, considered as lacking in purpose, design, or predictability.

*{{quote-magazine

, year=1895 , date=October , last=James , first=William , authorlink=William James , title=Is Life Worth Living? , magazine=International Journal of Ethics citation , passage=Visible nature is all plasticity and indifference, a multiverse , as one might call it, and not a universe. , page=10 }}

*{{quote-book

, year=1953 , authorlink=Saul Bellow , title= , last=Bellow , first=Saul , chapter=6 , publisher=Viking Press , passage=I've never gone through a place like Racine without thinking which house with the rubber-tire swing for kids and piano-practicing inside was like Stiva Lausch's, who had two daughters brought up with every refinement, including piano lessons, and how such little-speaking Odessa-bred sons had gotten on a track like this through the multiverse .}}

(physics, cosmology) The hypothetical group of all the possible universes in existence.

Our universe is a very small part of the multiverse .

Noun

(en noun)

A single aspect of a given thing.

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

* {{quote-magazine, date=2012-01

, author=Robert L. Dorit , title=Rereading Darwin , volume=100, issue=1, page=23 , magazine= citation , passage=We live our lives in three dimensions for our threescore and ten allotted years. Yet every branch of contemporary science, from statistics to cosmology, alludes to processes that operate on scales outside of human experience: the millisecond and the nanometer, the eon and the light-year.}}

A construct whereby objects or individuals can be distinguished.

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

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

(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.

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

(science fiction, fantasy) An alternative universe or plane of existence.