Meaning of unbiennium | Babel Free
Definitions
The systematic element name for the (as yet undiscovered) chemical element with atomic number 129 (symbol Ube).
uncountable
Equivalents
Deutsch
Unbiennium
Svenska
unbiennium
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.