| optician |
a worker who makes glasses for remedying defects of vision
출처: wordnet.princeton.edu/perl/webwn
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|---|---|
| optics |
the branch of physics that studies the physical properties of light
출처: wordnet.princeton.edu/perl/webwn
|
| optimism |
the optimistic feeling that all is going to turn out well a general disposition to expect the best in all things
출처: wordnet.princeton.edu/perl/webwn
|
| optimum |
most favorable condition or greatest degree or amount possible under given circumstances most desirable possible under a restriction expressed or implied; "an optimum return on capital"; "optimal concentration of a drug"
출처: wordnet.princeton.edu/perl/webwn
|
| optometrist |
a person skilled in testing for defects of vision in order to prescribe corrective glasses
출처: wordnet.princeton.edu/perl/webwn
|