| Oregon |
a northwestern U.S. state on the Pacific coast between Washington and California. (abbr.: OR) |
| or else |
or you will be sorry. |
| organ |
a musical instrument consisting of a keyboard attached to a device that forces air through a number of pipes to produce a wide range of sounds; pipe organ. [4 definitions] |
| organic |
of or pertaining to compounds that contain carbon. (Cf. inorganic.) [6 definitions] |
| organism |
any single living being, such as an animal, plant, fungus, or bacterium. [2 definitions] |
| organization |
the act or process of organizing. [3 definitions] |
| organize |
to set in order; arrange in a systematic pattern. [6 definitions] |
| organized |
set in order; arranged in a systematic pattern. [3 definitions] |
| orient |
(cap., outdated) the regions east and southeast of southern Europe, esp. the Far East (usu. prec. by "the"); the East. [6 definitions] |
| oriental |
(often cap.) of, from, pertaining to, or characteristic of the Orient or its peoples, cultures, or the like. [3 definitions] |
| orientation |
the act or process of orienting, or the condition of being oriented. [5 definitions] |
| origami |
the Japanese art or technique of folding paper into ornamental or representational figures. [2 definitions] |
| origin |
the point or moment of arising; source. [3 definitions] |
| original |
first in order of succession. [8 definitions] |
| originality |
the capacity to think or act as an individual or in an original way. [3 definitions] |
| originally |
with reference to source or origin. [3 definitions] |
| originate |
to arise or come into being. [3 definitions] |
| Orinoco River |
a major river of South America that starts near the Venezuelan border with Brazil, flows across Venezuela, then along the border with Colombia, and finally empties into the Atlantic Ocean. |
| oriole |
a member of either of two families of birds in which the males have black and bright yellow or orange plumage. |
| Orion |
in Greek mythology, a giant hunter who was killed by Artemis. [2 definitions] |
| ornament |
something that is added to beautify or improve appearance; decoration. [5 definitions] |