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Meaning of Horrocks box | Babel Free

Noun CEFR B2

Definitions

A kit for measuring the dose of chlorine to be used to sterilize a water supply.

historical

CEFR level

B2

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

See also

Horrocksford horror horror autotoxicus horror chamber horror film horror flick