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sodium hexametaphosphate

[hek-suh-met-uh-fos-feyt] /ˌhɛk səˌmɛt əˈfɒs feɪt/
noun
1.
See under Calgon.
Origin

Calgon

[kal-gon] /ˈkæl gɒn/
Trademark.
1.
a brand of sodium phosphate glass (sodium hexametaphosphate) soluble in water: used as a water-softening agent.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for sodium hexametaphosphate

Calgon

/ˈkælɡɒn/
noun
1.
trademark a chemical compound, sodium hexametaphosphate, with water-softening properties, used in detergents
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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9
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