four-dimensional

adjective

ˈfȯr-də-ˈmen(t)-sh(ə-)nəl 

also -dī-

: relating to or having four dimensions

four-dimensional space-time continuum

especially : consisting of or relating to elements requiring four coordinates to determine them

Examples of four-dimensional in a Sentence

Recent Examples on the Web

One catch was that these strings must have 10 space-time dimensions to wiggle around in, so string theorists posited that there must be six tiny extra directions curled up at each point in our familiar four-dimensional space-time. — Quanta Magazine, 23 Mar. 2026

For the project, the group simulated hundreds of snapshots of four-dimensional (4D) spacetime with lattice quantum chromodynamics. — Georgina Jedikovska, Interesting Engineering, 12 June 2026

What had germinated in marble in Italy was ready to evolve from three-dimensional cubes to four-dimensional information that could visualize some of the project’s possible permutations. — Katherine Rochester, Artforum, 1 Apr. 2026

General relativity predicts that objects with mass create an actual curvature in the fabric of spacetime, the four-dimensional unification of the three dimensions of space and the one dimension of time. — Robert Lea, Space.com, 8 June 2026

Word History

First Known Use

1880, in the meaning defined above

Rhymes for four-dimensional

• interventional
• nonconventional
• nondimensional
• unconventional
• unintentional
• attentional
• conventional
• dimensional
• extensional
• intensional
• intentional
• multidimensional