dimension

dimension [də men′shən; ] also [ dīmen′shən]

n.

[ME dimensioun < L dimensio, a measuring < dimensus, pp. of dimetiri, to measure off < dis-, off, from + metiri, to MEASURE]

1. any measurable extent, as length, width, depth, etc.: see also FOURTH DIMENSION

2. [pl.] measurements in length and width, and often depth

3. [often pl.]

a) extent, size, or degree

b) scope or importance

4. the nature and relationship of the units entering into some physical quantity [the dimension for speed is length divided by time]

5. [often pl.] Obs. bodily form

6. Math. a number, usually an integer, representing the geometric dimensions of some physical or abstract system

adj.

designating lumber, stone, etc. cut to specified dimensions

vt.

to shape to or mark with specified dimensions: usually in past participle

dimensionless

adj.