| ocean-going |
of, or designed or equipped for, travel on seas and oceans, as a ship. [2 definitions] |
| Oceania |
the region of the earth wherein are located the central, western, and southern Pacific islands, including Melanesia, Micronesia, and Polynesia. The region is sometimes considered to additionally include Australia, New Zealand, and the islands of the Malay Archipelago. |
| oceanic |
of, pertaining to, or produced by the ocean. [2 definitions] |
| ocean liner |
a large commercial ship designed for travel on the open seas, which transports passengers or cargo, typically on a regular route. |
| oceanography |
the branch of science that deals with the geography and other features of oceans. |
| oceanology |
oceanography. |
| ocean sunfish |
any of a family of bony marine fishes, esp. a large, slow-moving, tropical species with a flattened body resembling an upright disk. |
| ocellus |
the small, simple eyespot that is common to many invertebrates, consisting of a retina, pigments, and nerve fibers. [2 definitions] |
| ocelot |
a spotted wild cat of Central and South America, similar to but smaller than a leopard. |
| ocher |
any of several iron oxides mixed with clay or sand, ranging in color from pale yellow to reddish brown, and used as pigments. [2 definitions] |
| ochlocracy |
government by a lawless crowd of people; mobocracy. |
| -ock |
small. |
| o'clock |
of or according to the clock. [2 definitions] |
| ocotillo |
a spiny shrub that resembles a cactus, found in the dry regions of Mexico and the southwestern United States. |
| OCS1 |
abbreviation of "Officer Candidate School." |
| OCS2 |
abbreviation of "Old Church Slavonic." |
| Oct. |
abbreviation of "October," the tenth month of the Gregorian calendar year, having thirty-one days. |
| oct- |
a variant of octo-. |
| octa- |
a variant of octo-. |
| octagon |
a two-dimensional figure with eight sides and eight angles; octangle. |
| octahedron |
a three-dimensional figure with eight flat surfaces. |