Where does “diopter” come from?
diopter (English) comes from Latin dioptra, from Ancient Greek διοπτρα — to see through.
diopter (English): A unit of measure of the power of a lens or...
Definitions
- A unit of measure of the power of a lens or...
Ancestry of “diopter”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Latin | dioptra | — |
| 2 | Ancient Greek | διοπτρα | to see through |