Meaning of pyromellitic acid | Babel Free
Definitions
The aromatic tetracarboxylic acid 1,2,4,5-benzene tetracarboxylic acid used in the preparation of polyesters and polyamides
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.