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Meaning of caustic pencil | Babel Free

Noun CEFR B2

Definitions

A device for applying topical medication containing silver nitrate and potassium nitrate, used for chemical cauterization of the skin.

CEFR level

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

caustic potash caustic soda caustic sulphite caramel caustic surface Caustically causticism

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