Meaning of Stennian | Babel Free
Definitions
Of a geologic period within the Mesoproterozoic era from about 1200 to 1000 million years ago.
not-comparable
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.