| oxeye daisy |
a composite plant of North America and Europe having a vivid yellow center with white petals extending from it. |
| OXFAM |
a British charity, originally named Oxford Famine Relief, engaged in relieving poverty and suffering worldwide and commonly associated with its thrift shops that sell donated goods. |
| Oxford |
one of the two major English universities, founded in the twelfth century. [2 definitions] |
| oxford |
a sturdy, plain shoe that laces across the instep. [2 definitions] |
| Oxford gray |
an extremely dark gray color. |
| oxheart |
a large, dark red, heart-shaped sweet cherry. |
| oxidant |
that which causes the oxidation of another chemical or compound. |
| oxidation |
a chemical process in which oxygen is combined with another element or compound to form a different compound. [3 definitions] |
| oxidation-reduction |
a chemical reaction in which atoms of one element lose electrons to the atoms of another. |
| oxide |
a compound that includes oxygen. |
| oxidize |
to combine with oxygen, as in burning or rusting. [4 definitions] |
| oxidizer |
an oxidizing agent, esp. one that is used to power a rocket or fuel cell. |
| oximeter |
an instrument used to measure the degree of oxygen saturation of the blood. |
| oxlip |
a primrose bearing clusters of pale yellow flowers in early spring. |
| oxpecker |
either of two African birds, related to starlings, that feed on ticks living on the hides of large animals. |
| oxtail |
the tail of an ox, esp. when skinned and used as the main ingredient in soup or stew. |
| oxy-1 |
acute; sharp; pointed. |
| oxy-2 |
oxygen. |
| oxyacetylene |
relating to the combination of acetylene and oxygen in producing a high temperature flame for welding and cutting. |
| oxycephaly |
a condition in which the skull is somewhat peaked or conical, as the result of premature closing of the skull sutures. |
| oxygen |
a chemical element that has eight protons in each nucleus and that occurs in pure form, as a colorless, odorless gas essential to the respiration of living things, or in important compounds such as water, carbohydrates, and oxide minerals. (symbol: O) |