dilution
noun/daɪˈluːʃən/
Frequency rank: #12,113 most common English word
Meaning
the process of making a substance weaker or less concentrated by mixing it with something else, usually water.

Example sentence
Adding too much water causes dilution of the medicine, making it less effective.
Synonyms & related words
- weakening
- thinning
- watering-down
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