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Meaning of underchlorination | Babel Free

Noun CEFR C2

Definitions

Insufficient chlorination (usually, of swimming pool water or drinking water).

uncountable

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

undercitation undercitizen undercity Underclass underclasser Underclassman