How does the word sound?
History of this Word
"opto" is from "optos" (seen/visible) spoken by people of Greece starting about 1000 B.C.
Notes
In this sense, it is a word added to another word to form a new word.
More words with this prefix,
optigraph
optoelectronics
optophone
optokinetic
Definition
A prefix added to the start of a word. Indicates that "eye" or "vision" modifies the word. Created to expand meanings. Can be used with many words to form new words.
Examples of how the word is used
| The Optometrist examines eyes for the presence or absence of defects or visual anomalies that can be corrected. |
| These pages demonstrate visual phenomena and optical illusions. |