| oilskin |
a cloth treated with oil to make it waterproof. [2 definitions] |
| oil slick |
a film of oil floating on water. |
| oilstone |
a smooth, fine-grained, oiled whetstone, used for fine sharpening. |
| oil well |
a well from which petroleum is drawn or pumped. |
| oily |
of, concerning, or like oil. [3 definitions] |
| oink |
a sound representing the grunt of a pig. [2 definitions] |
| ointment |
any of various usu. semisolid preparations made to be rubbed into the skin for medicinal, cosmetic, or moistening purposes. |
| OJ |
(informal) abbreviation of "orange juice." |
| Ojibwa |
a member of a North American Indian tribe living in the United States and Canada around Lake Superior. [3 definitions] |
| OK1 |
(informal) acceptable; all right; satisfactory. [5 definitions] |
| OK2 |
abbreviation of "Oklahoma," a southwestern U.S. state north and east of Texas. |
| okapi |
a four-legged African animal, closely related to the giraffe but having a short neck. |
| okay |
a variant of OK. |
| Okie |
(often offensive) a migrant farm worker, esp. from Oklahoma. |
| Oklahoma |
a southwestern U.S. state north and east of Texas. (abbr.: OK) |
| Oklahoma City |
the capital of Oklahoma. |
| okra |
a green, ribbed, cylindrical vegetable that becomes gummy when cooked and is often used in soups and gumbos. [2 definitions] |
| -ol1 |
an alcohol, phenol, or other chemical compound containing hydroxyl. |
| -ol2 |
variant of -ole. |
| old |
having lived for a long time; not young. [11 definitions] |
| old age |
the final stage of life, considered in humans to begin at about age sixty-five, characterized by a decline in health and vigor. |