| Answer | Crossword Clue |
|---|---|
| OHIO | Home to Euclid |
| GAIA | Earth, to Euclid |
| GEOMETRY | "There is no royal road to .....": Euclid |
| euclidean | Of or relating to Euclid, in particular |
| euclidian | of or pertaining to Euclid, or adopting his postulates |
| euclidian | related to Euclid, or to the geometry of Euclid also EUCLIDEAN |
| euclidean | related to Euclid, or to the geometry of Euclid also EUCLIDIAN |
| euclidean | Of or denoting the system of geometry based on the work of Euclid and corresponding to the geometry of ordinary experience |
