OBLIQUE a.
Oblique ascension, etc. See under Angle,Ascension, etc. -- Oblique arch (Arch.), an arch whose jambs are not at right angles with the face, and whose intrados is in consequence askew. -- Oblique bridge, a skew bridge. See under Bridge, n. -- Oblique case (Gram.), any case except the nominative. See Case, n. -- Obli…
OENANTHIC a.
characteristic of the bouquet of wine; specifically used, formerly, to designate an acid whose ethereal salts were supposed to occasion the peculiar bouquet, or aroma, of old wine. Cf. OEnanthylic. OEnanthic acid, an acid obtained from oenanthic ether by the action of alkalies. -- OEnanthic ether, an ethereal substan…
OKRA n.
An annual plant (Abelmoschus, or Hibiscus, esculentus), whose green pods, abounding in nutritious mucilage, are much used for soups, stews, or pickles; gumbo. [Written also ocra and ochra.]
OPEN DOOR n.
and commercial intercourse open to all upon equal terms, esp. with reference to a nation whose policy is wholly or partially fixed by nations foreign to itself, or to territory newly acquired by a conquering nation. In this sense, often used adjectively, as, open-door system, open-door policy, etc.