1. tethys - Noun
2. Tethys - Proper noun
A genus of a large naked mollusks having a very large, broad, fringed cephalic disk, and branched dorsal gills. Some of the species become a foot long and are brilliantly colored.
Source: Webster's dictionaryDescendants of the Titans The Titans, Oceanus, Hyperion, Coeus, and Cronus married their sisters Tethys, Theia, Phoebe and Rhea, and Crius married his half-sister Eurybia, the daughter of Gaia and Pontus. Source: Internet
Subsequent freezing of the ocean after the moons escaped from the resonance may have generated the extensional stresses that created the enormous graben system of Ithaca Chasma on Tethys. Source: Internet
Shoumatoff (2001), 35 In the Paleozoic Era the Pangaean supercontinent consisted of a single tectonic plate ; it broke into separate plates during the Mesozoic Era and the Tethys sea developed between Laurasia and Gondwana during the Jurassic Period. Source: Internet
Corresponding findings are from Tethys Sea deposits in northern India and Pakistan. Source: Internet
Tethys and Dione are hundreds of times more massive than their "escorts" (see the moons' articles for exact diameter figures; masses are not known in several cases), and Saturn is far more massive still, which makes the overall system stable. Source: Internet
The closure of Tethys built some new mountains (the Zagros range) and drew down more carbon dioxide from the atmosphere, contributing to global cooling. Source: Internet