opto- root words — words with the opto- root

The root opto- comes from Greek optos, meaning sight, seen. 2 words in Dendril are built from it, including synopsis, optometry. Dendril shows them on a free interactive word map — no signup, no ads.

Words that use the opto- root

Explore words with opto- — words containing the opto- root and sharing its sense of "sight, seen". Examples include synopsis, optometry. Click any word to see its own roots, definition, and related words.

What does opto- mean?

The opto- root means sight, seen, from Greek optos. Recognizing it helps you decode and remember the many English words built on this root.