riphaean

Fetched 2026-10-26 (cache).

Synonyms: riphean

Antonyms: riphean

Related words from Datamuse; suggestions, not definitions.

Adjective

1. {{lb|en|now|_|historical}} Designating a range of [[mountains]] once thought to be located in northern Europe, later considered mythological or identified with the [[Ural]]s. {{defdate|from 16th c.}}

Proper noun

1. {{lb|en|geology}} An [[age]] from 1650 to 650 million years ago, a subdivision of the [[Proterozoic]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.