noun

chlorine

chlorine

The swimming pool smells of chlorine.

The swimming pool smells of chlorine.

Chlorine is used to disinfect water.

Chlorine is used to disinfect water.

((uncountable noun)) chlorine The pool smells of chlorine.

Synonyms: (none, it's a chemical element)

From Greek 'khlōros', meaning 'pale green', which is the colour of chlorine gas.

Think of the 'greenish' tint of some swimming pool water and the 'pale green' meaning of its Greek root.

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