Meaning of squarylium | Babel Free
Definitions
An aromatic quaternary ammonium cation, derived from squaric acid, that is the basis of some fluorescent dyes
countable, in-compounds, uncountable
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.