four-dimensional


Also found in: Dictionary, Thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia.
Related to four-dimensional: 4th Dimension

four-dimensional

, 4D (for″dĭ-men″shŏn-ăl)
Of or pert. to four dimensions. A technique that measures three spatial dimensions plus time is four-dimensional.
References in periodicals archive ?
4 The generalized four-dimensional non-linear constitutive field equations
Instead of a cylinder, five-dimensional space-time could be a Riemannian sphere just like our ordinary four-dimensional space-time.
As recently shown [10, 11], the four-dimensional wave vector has as well two projections onto the time line
As a result, within zero-space, the square of a transported vector, a four-dimensional coordinate velocity vector [U.
If such objects exist, then every point in our apparently four-dimensional universe is a tiny volume with six or seven extra dimensions.
of Miami-Coral Gables, Florida) introduces second-year graduate students to the theory of three-dimensional manifolds and its role in the modern four-dimensional topology and gauge theory.
Interestingly, it says nothing about the shape of the universe--the overall form, or topology, of the three-dimensional spatial component of relativity's four-dimensional space-time.
Contract Awarded for Liuyang maternal and child health care hospital full digital high grade color doppler ultrasound diagnostic instrument, High-grade real-time four-dimensional color doppler ultrasound diagnostic equipment procurement project
The topics include integrable connections and Galois representations, the geometry of tame almost complex structures on four-dimensional manifolds, recent developments in differentiable sphere theorems, a tailored finite-point method for the numerical simulation of partial differential equations, a one-parameter family of expanding wave solutions of the Einstein equations that induces an anomalous acceleration into the standard model of cosmology, and statistical analysis in genetic association studies of mental illnesses.
The extra dimensions wouldn't have a direct influence on our own four-dimensional space-time.