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hexavalent

[ hek-suh-vey-luhnt ]
/ ˈhɛk səˌveɪ lənt /
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adjective Chemistry.

having a valence of six.

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Origin of hexavalent

First recorded in 1885–90; hexa- + -valent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use hexavalent in a sentence

  • On the other hand, Vengosh also has conducted research showing that ash from Wyoming-sourced Powder River Basin coal — the coal that Georgia Power uses at Plant Scherer — contains high levels of hexavalent chromium.

    The Coal Plant Next Door|by Max Blau for Georgia Health News|March 22, 2021|ProPublica
  • Each one contained hexavalent chromium levels between 30 and 140 times higher than drinking-water guidelines in North Carolina, and between 100 and 490 times higher than those in California.

    The Coal Plant Next Door|by Max Blau for Georgia Health News|March 22, 2021|ProPublica
  • Georgia’s local public health departments offer a $122 well test that can detect a limited number of toxins, but not hexavalent chromium.

    The Coal Plant Next Door|by Max Blau for Georgia Health News|March 22, 2021|ProPublica
  • The coal ash deposits have heavy concentrations of hexavalent chromium, a carcinogen.

British Dictionary definitions for hexavalent

hexavalent
/ (ˌhɛksəˈveɪlənt) /

adjective

chem having a valency of sixAlso: sexivalent
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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