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Meaning of caustic soda | Babel Free

Noun CEFR B2

Definitions

sodium hydroxide (NaOH), a strong alkaline substance used in the manufacture of paint, soap and detergents, or as a drain cleaner.

uncountable, usually

Equivalents

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

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