(in pl) size in one or all directions
(usu in pl) the range over which something extends; the scope
an aspect
The oral dimension of the novel is very important — Karl Miller
extension in one direction; specif any of three or four coordinates determining a position in space or in space and time
any of a group of parameters necessary and sufficient to determine uniquely each element of a system of mathematical entities
The surface of a sphere has two dimensions
(usu in pl) any of the fundamental quantities, specif mass, length, and time, which combine to make a derived unit
Velocity has the dimensions of length divided by time
dimensional adj
dimensionless adj
[Middle English via French from Latin dimension-, dimensio, from dimetiri to measure out, from dis- + metiri to measure]