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Meaning of ozone paper | Babel Free

Noun CEFR B2

Definitions

Paper coated with starch and potassium iodide, turning blue when exposed to ozone.

countable, uncountable

CEFR level

B2

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

See also

ozone resistance ozone shield ozone sickness ozone therapy ozoner ozonesonde