411 REFERENCE · Wiktionary
Rhyacian
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Adjective
-
en geology Of a geologic period within the Paleoproterozoic era from about 2300 to 2050 million years ago.
Proper noun
en geology The Rhyacian period.
Translations
Rhyacian period
Estonian: et rhyac
Greek: el Ρυάκια f
See also
Appendix:Geologic timescale
Anagrams
en aachinry Hyrcania