Meaning of Ordovician | Babel Free
Definitions
Of a geologic period within the Paleozoic era; comprises lower, middle and upper epochs from about 488 to 443 million years ago.
Examples
“Against the dark Ordovician gabbro, the black volcanic base, Rhynie is a streak of technicolour.”
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.