OPEN a. 25 definitions
nder Hollow. -- Open pipe (Mus.), a pipe open at the top. It has a pitch about an octave higher than a closed pipe of the same length. -- Open-timber roof (Arch.), a roof of which the constructional parts, together with the under side of the covering, or its lining, are treated ornamentally, and left to form the ceil…
OPERA n. 3 definitions
-- Opéra comique Etym: [F.], comic or humorous opera. -- Opera flannel, a light flannel, highly finished. Knight. -- Opera girl (Bot.), an East Indian plant (Mantisia saltatoria) of the Ginger family, sometimes seen in hothouses. It has curious flowers which have some resemblance to a ballet dancer, whence the popula…
ORANGE n. 4 definitions
right orange breast. -- Orange cowry (Zoöl.), a large, handsome cowry (Cypræa aurantia), highly valued by collectors of shells on account of its rarity. -- Orange grass (Bot.), an inconspicuous annual American plant (Hypericum Sarothra), having minute, deep yellow flowers. -- Orange oil (Chem.), an oily, terpenelike…
ORDER n. 22 definitions
in the same social or other position; also, a distinct character, kind, or sort; as, the higher or lower orders of society; talent of a high order. They are in equal order to their several ends. Jer. Taylor. Various orders various ensigns bear. Granville. Which, to his order of mind, must have seemed little short of c…
OSMIC a.
r containing, osmium; specifically, designating those compounds in which it has a valence higher than in other lower compounds; as, osmic oxide. Osmic acid. (Chem.) (a) Osmic tetroxide. [Obs.] (b) Osmic acid proper, an acid analogous to sulphuric acid, not known in the free state, but forming a well-known and stable se…
OVER prep. 18 definitions
Above, or higher than, in place or position, with the idea of covering; -- opposed to Ant: under; as, clouds are over our heads; the smoke rises over the city. The mercy seat that is over the testimony. Ex. xxx. 6. Over them gleamed far off the crimson banners of morning. Longfellow.