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hexavalent

[ hek-suh-vey-luhnt ]

adjective

Chemistry.
  1. having a valence of six.


hexavalent

/ ˌɛəˈɪəԳ /

adjective

  1. chem having a valency of six Alsosexivalent
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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yvlog History and Origins

Origin of hexavalent1

First recorded in 1885–90; hexa- + -valent
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Example Sentences

Examples have not been reviewed.

California also voted in April to finalize a limit for hexavalent chromium, or “Chrome 6,” which many people know as the carcinogenic chemical that the Pacific Gas and Electric Co. contaminated residents’ groundwater with, from 1952 to 1966, in Hinkley, Calif. — the legal upshot of which was depicted in the film “Erin Brockovich.”

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Malibu’s tap water may have more hexavalent chromium while Pasadena’s doesn’t have any.

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The California Legislature in 2001 called for the state to develop a drinking water standard for hexavalent chromium.

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That left the state without a specific standard for hexavalent chromium.

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After years of analysis and debate, California regulators have adopted a nation-leading drinking water standard for hexavalent chromium, a carcinogen found in water supplies across the state.

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