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hexavalent

American  
[hek-suh-vey-luhnt] / ˈhɛk səˌveɪ lənt /

adjective

Chemistry.
  1. having a valence of six.


hexavalent British  
/ ˌhɛksəˈveɪlənt /

adjective

  1. Also: sexivalentchem having a valency of six

"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

Etymology

Origin of hexavalent

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

From Los Angeles Times • Apr. 18, 2024

Neighbors have raised concerns about industrial contamination at the site, including with hexavalent chromium, the carcinogen perhaps best known as the target of famous activist Erin Brockovich.

From Los Angeles Times • Apr. 9, 2024

The tank holds hexavalent chromium, a reddish-brown solution widely used in plating that has been shown to cause lung cancer in humans if inhaled.

From New York Times • Mar. 15, 2024

It is thought the curious feline had been in a vat of hexavalent chromium, a highly acidic and carcinogenic chemical which is orange and brown in colour.

From BBC • Mar. 12, 2024

O, usually divalent, but tetravalent and possibly hexavalent in oxonium and other salts; S, Se, Te, di-, tetra- and hexa-valent; Cr, di-, tri- and hexa-valent; Mo, W, di-, tri-, tetra-, penta- and hexa-valent.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various