| occlude |
to close or obstruct (a passage or opening, one's vision, or the like). [5 definitions] |
| occluded front |
the air front formed when a cold front overtakes a warm front, forcing it upward. |
| occult |
of, pertaining to, or with the aid of the supernatural. [8 definitions] |
| occultation |
the disappearance of one celestial body behind another, as when a planet or star is obscured by the moon. [2 definitions] |
| occultism |
belief in the occult. [2 definitions] |
| occupancy |
the act or condition of occupying or holding a place, position, or property. [4 definitions] |
| occupant |
one, or a group, that occupies a place or position. [2 definitions] |
| occupation |
a person's normal way of earning a livelihood; profession. [3 definitions] |
| occupational |
of or pertaining to one's occupation, profession, or place of employment. |
| occupational disease |
a disease or disorder caused by the working conditions or requirements of one's occupation. |
| occupational therapy |
therapy consisting of work designed to provide mental diversion or a creative outlet, exercise to heal or correct a physical deficiency or injury, or training in vocational skills. |
| occupy |
to control (territory or the like) after seizure. [4 definitions] |
| occur |
to take place; happen. [3 definitions] |
| occurrence |
the process or fact of occurring. [2 definitions] |
| ocean |
the vast expanse of salt water covering approximately three quarters of the earth's surface. [3 definitions] |
| oceanarium |
a large public or commercial marine aquarium. |
| oceanaut |
an aquanaut. |
| ocean floor |
the surface of the ground at the bottom of the ocean. |
| ocean-going |
of, or designed or equipped for, travel on seas and oceans, as a ship. [2 definitions] |
| Oceania |
the central and southern Pacific islands collectively, including Melanesia, Micronesia, Polynesia, and sometimes Australia, New Zealand, and the Malay Archipelago; Oceanica. |
| oceanic |
of, pertaining to, or produced by the ocean. [2 definitions] |