Relating to length, or to longitude.
Running in the direction of the long axis of a body.
Forward and/or backward, relative to some defined direction.
Sampling data over time rather than merely once.
Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.
At a constant ratio (to). Two magnitudes (numbers) are said to be proportional if the second varies in a direct relation arithmetically to the first. Symbol: ∝.
In proportion (to), proportionate.
Of a typeface, having characters with natural (non-uniform) width (in contrast to monospace typefaces).