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Meaning of acid-free | Babel Free

Adjective CEFR B2

Definitions

Alkaline or neutral; not acidic.
Without using acid.

Examples

“an acid-free soil”

“Printed on acid-free paper.”

“an acid-free etching technique”

CEFR level

B2

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

See also

acid-resistant acid-tongued acid-washable acidaemic acider acidergic