FAQs About the word dioptra

διοπτρα

An optical instrument, invented by Hipparchus, for taking altitudes, leveling, etc.

No synonyms found.

No antonyms found.

diopter => διοπτρία, dioptase => Διοπτάσης, diopside => Διοψίδης, diophantus => Διοφάντος, diophantine => διοφαντική,