Meaning of penta-graphene | Babel Free
Definitions
An allotrope of carbon similar to graphene, but with a pentagonal (rather than a hexagonal) tiling pattern
uncountable
CEFR level
C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
This word is part of the CEFR C2 vocabulary — mastery level.