Calymmian
English
editEtymology
editFrom Ancient Greek κάλυμμα (kálumma, “covering”).
Proper noun
editCalymmian
- (geology) the Calymmian period
Translations
editAdjective
editCalymmian (comparative more Calymmian, superlative most Calymmian)
- (geology) of a geologic period within the Mesoproterozoic era from about 1600 to 1400 million years ago