Meaning of polymethyl | Babel Free
Definitions
Any of various polymers whose respective monomer is a methyl derivative; Any of various compounds having many methyl groups
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.