PARALLEL a.
- Parallel ruler, an instrument for drawing parallel lines, so constructed as to have the successive positions of the ruling edge parallel to each other; also, one consisting of two movable parts, the opposite edges of which are always parallel. -- Parallel sailing (Naut.), sailing on a parallel of latitude. -- Paral…
PER prep.
of itself. Per is also sometimes used with English words. Per annum, by the year; in each successive year; annually. -- Per cent, Per centum, by the hundred; in the hundred; -- used esp. of proportions of ingredients, rate or amount of interest, and the like; commonly used in the shortened form per cent. -- Per diem,…