oppugn |
to oppose, contradict, criticize, or call into question. |
Oprah Winfrey |
influential U.S. talk-show host, actor, philanthropist, and reputedly the first African-American woman billionaire (b.1954). |
-opsis |
something resembling (whatever is specified). [2 definitions] |
-opsy |
examination; scrutiny. |
opt |
to decide; choose (usu. fol. by "for" or an infinitive). |
optic |
of or concerning the eye or the sense of sight. [3 definitions] |
optical |
of or concerning the sense of sight or the eye. [5 definitions] |
optical disk |
a disk on which material such as information, pictures, or music is stored in the form of tiny depressions and from which it is retrieved or played by means of a laser scanner. [2 definitions] |
optician |
a person who sells or manufactures eyeglasses, contact lenses, or other optical devices. . |
optic nerve |
either one of the two nerves that connect the retinas of the eyes to the brain. |
optics |
(used with a sing. verb) the science of sight and the properties of light. |
optimal |
most wanted or desirable; producing or likely to produce the best result; optimum. |
optimism |
the belief that everything will turn out well, or that there are good aspects of every situation. (Cf. pessimism.) [3 definitions] |
optimist |
one who usually or in a specific instance expects a good outcome. (Cf. pessimist.) [2 definitions] |
optimistic |
expecting or tending to expect favorable outcomes. [2 definitions] |
optimize |
to make the most effective use of (something), or to make as effective, perfect, or well-functioning as possible. |
optimum |
the situation, quantity, degree, or other condition that is most desirable. [2 definitions] |
option |
the right, power, or freedom to choose. [4 definitions] |
optional |
not required; left to one's choice. |
optoelectronic |
of or relating to electronic devices that are powered by light or produce light from electricity, or to the study of such devices. |
optoelectronics |
electronic devices that are powered by light or that produce light from electricity. [2 definitions] |