Theætetus
- Proper noun. A classical Greek mathematician, living ''circa'' 417–369 B.C., credited with proving that there are precisely five regular convex polyhedra.
- Proper noun. A later middle dialogue of Plato concerning epistemology.
- Proper noun. A lunar impact crater 2·8 kilometres in depth and 25 kilometres in diameter, located southeast of the crater Cassini, near the eastern edge of Mare Imbrium, at coördinates 37·0° N, 6·0° E.
This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.