alternative form of overoptimistic

plural of optical wand

A wand-like device for optical character recognition.

Third-person singular simple present indicative form of optate

simple past tense and past participle of optate

present participle of optate

(astronomy) a very short duration bright flash in the visible spectrum; thought to be caused by a type of supernova

Alternative form of nonoptional.

plural of optical delusion

(dated) A vision or image that is deceptive or misleading, such as an optical illusion or a trick of the light.