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Meaning of caustic alkali | Babel Free

Noun CEFR B2

Definitions

The hydrate of potassium (called caustic potash) or sodium (caustic soda).

countable, dated, uncountable

CEFR level

B2

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

See also

caustic ammonia caustic barley caustic curve caustic lime caustic pencil caustic potash