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optic chiasma
optic cup
optic disk
optic nerve
optic vesicle
optical
optical activity
optical art
optical brightener
optical character reader
optical character recognition
optical computer
optical disk
optical double star
optical fiber
optical glass
optical illusion
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opt

opt [ opt ] (past and past participle opt·ed, present participle opt·ing, 3rd person present singular opts)


intransitive verb 
Definition:
 
choose from alternatives: to choose something or choose to do something, usually in preference to other available alternatives
Offered tea or coffee, I opted for coffee.

[Late 19th century. Via French opter< Latin optare "choose, desire"]
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