(used as an expression of surprise, pain, disapprobation, etc.)
(used in direct address to attract the attention of the person spoken to):
Oh, John, will you take these books?
noun, plural oh’s, ohs.
the exclamation “oh.”.
verb (used without object)
to utter or exclaim “oh.”.
an exclamation expressive of surprise, pain, pleasure, etc
an expression used to preface a remark, gain time, etc: oh, I suppose so
1530s, interjection expressing various emotions, a common Indo-European word (e.g. Old French ô;, oh; Latin o, oh; Greek o; Old Church Slavonic and Lithuanian o; Gothic, Dutch, German o; Old Irish a; Sanskrit a), but not found in Old English, which translated Latin oh with la or eala.
The present tendency is to restrict oh to places where it has a certain independence, & prefer o where it is proclitic or leans forward upon what follows …. [Fowler]
Often extended for emphasis, e.g. Oh, baby, stock saying from c.1918; oh, boy (1910); oh, yeah (1924). Reduplicated form oh-oh as an expression of alarm or dismay is attested from 1944. Oh-so “so very” (often sarcastic or ironic) is from 1922. Oh yeah? “really? Is that so?” attested from 1930.
open house (real estate)
[oh-hahy-oh] /oʊˈhaɪ oʊ/ noun 1. a state in the NE central United States: a part of the Midwest. 41,222 sq. mi. (106,765 sq. km). Capital: Columbus. Abbreviation: OH (for use with zip code), O. 2. a river formed by the confluence of the Allegheny and Monongahela rivers, flowing SW from Pittsburgh, Pa., to the Mississippi […]
noun 1. See under (def 1). [buhk-ahy] /ˈbʌkˌaɪ/ noun, plural buckeyes. 1. any of various trees or shrubs of the genus Aesculus, as A. glabra (Ohio buckeye) having palmate leaves, gray, scaly bark, and bell-shaped greenish-yellow flowers in upright clusters: the state tree of Ohio. 2. the brown nut of any of these trees. 3. […]
Simplified Oral Hygiene Index
[ohm] /oʊm/ noun 1. the standard unit of electrical resistance in the (SI), formally defined to be the electrical resistance between two points of a conductor when a constant potential difference applied between these points produces in this conductor a current of one ampere. The resistance in ohms is numerically equal to the magnitude of […]