Meaning of hydrated silica | Babel Free
Definitions
A form of silicon dioxide mixed with a variable amount of water, found naturally in opal and the cell walls of diatoms.
uncountable, usually
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.