one ration

[Lat. one ratio, from one ratus, pa. par. of onero =to load, to burden.] The act of loading or burdening. on-er-oŭs, a . [Fr. onéreux , from Lat. on eros us , from onus (gen it. oner is )=a load, a burden.] 1. Ord . Lang .: Burdensome, heavy, weighty; as, onerous duties, onerous cares. 2. Scots Law : Being or made for a consideration; being for the advantage of both sides; opposed to gratuitous; as, an onerous contract. *ones, *oonys, adv. [A. S. dnes once (q.v.).] 1. At one; in accord or agreement. 2. Once. *on-ey-er, s . [Supposed to be from the mark Chem.: A suffix used as an abbreviation of acetone or ketone; thus, benzone=benzoic ketone. This termination is sometimes employed withouto ni, an abbreviation of the Lat. oneretur nisi definite meaning, as in quinone.