Rheic
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 Of or relating to a Paleozoic ocean between the large continent Gondwana to the south and the microcontinents Avalonia and others to the north. not-comparable
Etymology
From Rhea (“a Titan in Greek mythology”) + -ic, for her being the sister of Iapetus (after whom had previously been named the predecessor of the Atlantic Ocean, for being the father of its eponym Atlas).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.