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Meaning of chalky paper | Babel Free

Noun CEFR B2

Definitions

A kind of paper coated with a chalky solution for security purposes, to prevent removal of a postmark without damaging the stamp.

countable, uncountable

CEFR level

B2

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

See also

chalky percher challa challacolloite challah challan challenge