Tethys /tēˈthis, tethˈis/

1. A sea nymph, wife of Oceanus
2. A sea that extended in Mesozoic times from Mexico across the middle Atlantic and the Mediterranean into the centre of Asia (geology)
3. The third natural satellite of Saturn

• cosmic constant
• cosmic dust
• cosmic radiation
• cosmic radiations
• cosmic rays
• cosmic string
• cosmism
• cosmisms
• cosmist
• cosmists
• cosmochemical
• cosmochemistry
• cosmocrat
• cosmocratic
• cosmocrats
• cosmodrome
• cosmodromes
• cosmogenic
• cosmogenies
• cosmogeny
• cosmogonic
• cosmogonical
• cosmogonies
• cosmogonist
• cosmogonists