Dictionary
opto-
combining form
Definition of OPTO-
1
: vision <optometry>
2
: optic and <optoelectronics>
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Origin of OPTO-
Greek optos, verbal of opsesthai — more at optic
Medical Dictionary
opto-
combining form
Medical Definition of OPTO-
1
: vision <optometry>
2
: optic : optic and <optokinetic>
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