Eu·clid·e·an also Eu·clid·i·an 
(y-klĭdē-ən)
(y-klĭdē-ən)adj.
Of or relating to Euclid's geometric principles.
- cosmo
- cosmo-
- cosmochemical
- cosmochemist
- cosmochemistry
- cosmogenic
- cosmogonic
- cosmogonical
- cosmogonically
- cosmogonist
- cosmogony
- cosmographer
- cosmographic
- cosmographical
- cosmographically
- cosmography
- cosmologic
- cosmological
- cosmological constant
- cosmologically
- cosmologist
- cosmology
- cosmonaut
- cosmopolis
- cosmopolitan