| Oman |
a country on the Indian Ocean northeast of Yemen and west of Saudi Arabia. |
| Omar Khayyam |
a Persian poet and mathematician (b.1050?--d.1123?). |
| omasum |
the third stomach of a cud-chewing animal such as a cow, located between the reticulum and the abomasum. |
| OMB |
abbreviation of "Office of Management and Budget." |
| ombudsman |
a man employed by a government, institution, or the like to hear and attempt to resolve complaints, as from citizens, employees, or students. |
| ombudsperson |
a person employed by a government, institution, or the like to hear and attempt to resolve complaints, as from citizens, employees, or students. |
| ombudswoman |
a woman employed by a government, institution, or the like to hear and attempt to resolve complaints, as from citizens, employees, or students. |
| omega |
the name of the twenty-fourth and last letter of the Greek alphabet. [2 definitions] |
| omelet |
a dish made from beaten eggs that are cooked into a single sheet and folded, often over a filling of cheese, tomatoes, mushrooms, or other ingredients. |
| omen |
an occurrence that is believed to be a supernatural indicator of future good or evil. [3 definitions] |
| omertà |
(Italian) a code of silence that prevents adherents from giving to authorities information concerning activities of a criminal organization. |
| omicron |
the name of the fifteenth letter of the Greek alphabet. |
| ominous |
indicating or threatening future evil or unpleasantness. [2 definitions] |
| omissible |
subject to or suitable for omission. |
| omission |
the act of omitting, or the condition of being omitted. [2 definitions] |
| omit |
to not include (something) through neglect or by decision; leave out. [2 definitions] |
| ommatidium |
any of the individual photoreceptors that form the compound eye of an insect, crustacean, or the like. |
| ommatophore |
a movable stalk bearing an eye, as in certain snails. |
| omni- |
all. |
| omnibus |
a large, long motor vehicle for transporting passengers; bus. [3 definitions] |
| omnidirectional |
able to receive radio waves or the like from, or broadcast them in, all directions. |