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.
1. (often plural) a measurement of the size of something in a particular direction, such as the length, width, height, or diameter. 2. (often plural) scope; size; extent: a problem of enormous dimensions. 3. aspect: a new dimension to politics.