Once, ons, n. Same as Ounce, the animal.
Once, wuns, adv. a single time: at a former time: at any time or circumstances.—n. one time.—Once and again, more than once: repeatedly; Once for all, once only and not again; Once in a way, on one occasion only: very rarely.—At once, without delay: alike: at the same time; For once, on one occasion only. [A.S. ánes, orig. gen. of án, one, used as adv.]
Oncidium, on-sid′i-um, n. a widely-spread American genus of orchids. [Gr. ogkos, a hook.]
Oncology, ong-kol′o-ji, n. the science of tumours.—n. Oncot′omy, incision into, or excision of, a tumour.
Oncome, on′kum, n. (prov.) a sudden fall of rain or snow: the beginning of attack by some insidious disease.—n. On′coming, approach.
Oncometer, ong-com′e-tėr, n. an instrument for recording variations in volume, as of the kidney, &c.—n. On′cograph, an apparatus for recording such. [Gr. ogkos, bulk, metron, measure.]
Oncost, on′kost, n. all charges for labour in getting mineral, other than the miners' wages: payment to the collier in addition to the rate per ton.—n.pl. On′costmen, men who work in or about a mine at other work than cutting coal. [On and cost.]
Ondine, on′din, n. a water-spirit, an undine.
Onding, on′ding, n. a sudden fall of rain or snow.
One, wun, pron. a person (indefinitely), as in 'one says:' any one: some one.—n. a single person or thing: a unit. [A special use of the numeral one; not conn. with Fr. on—L. homo, a man.]