| occupant |
one, or a group, that occupies a place or position. [2 definitions] |
| occupation |
a person's normal way of earning a livelihood; profession. [5 definitions] |
| 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] |
| 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. |
| oceanography |
the branch of science that deals with the geography and other features of oceans. |
| ocelot |
a spotted wild cat of Central and South America, similar to but smaller than a leopard. |
| o'clock |
of or according to the clock. [2 definitions] |
| Oct. |
abbreviation of "October," the tenth month of the Gregorian calendar year, having thirty-one days. |
| oct- |
a variant of octo-. |
| octagon |
a two-dimensional figure with eight sides and eight angles; octangle. |
| octave |
a musical tone eight full tones above or below another tone, with twice or half as many vibrations per second as the other tone. [5 definitions] |
| octo- |
eight. |
| October |
the tenth month of the Gregorian calendar year, having thirty-one days. |
| octopus |
any of several related carnivorous sea animals with a soft, rounded body and eight long tentacles with two rows of suckers on each. [2 definitions] |
| odd |
different from what is expected or customary; strange. [7 definitions] |
| oddity |
a peculiar or puzzling thing, person, or event. [2 definitions] |
| odd number |
a whole number that cannot be divided exactly by 2. |
| odds |
the probability that one thing is more likely to happen than another. [4 definitions] |