Each gust of the clouded mood that seemed warmed by the heat of a heart flaming with anger has its counterpart in the chilly blasts that seem blown from a breast turned to ice with a sudden revulsion of feeling.
The dimension is the number of bases in the COLUMN SPACE of the matrix representing a linear function between two spaces. i.e. if you have a linear function mapping R3 --> R2 then the column space of the matrix representing this function will have dimension 2 and the nullity will be 1.
The definition of dimensional is something a shape that can be measured. An example of dimensional is a physical object with length, width and depth, like a table. of dimension or dimensions. having (a specified number of) dimensions: a three-dimensional figure.