adjective.
Identical in all directions; invariant with respect to direction.
The Century Dictionary and Cyclopedia
Having the same properties in all directions: said of a medium with respect to elasticity, conduction of heat or electricity, or radiation of heat and light.
Having equal, common, or non-specific developmental capacity.
the GNU version of the Collaborative International Dictionary of English
adjective.
Having the same properties in all directions; specifically, equally elastic in all directions.
adjective.
Having properties that are identical in all directions; exhibiting isotropy.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
invariant with respect to direction
Word Usage
"Poplawski takes advantage of the Euclidean-based coordinate system called isotropic coordinates to describe the gravitational field of a black hole and to model the radial geodesic motion of a massive particle into a black hole."