hexavalent

[hek-suh-vey-luhnt]

adjective

Chemistry.

1. having a valence of six.

hexavalent

/ ˌhɛksəˈveɪlənt /

adjective

1. Also: sexivalent. chem having a valency of six

Word History and Origins

Origin of hexavalent¹

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

Example Sentences

In particular, they cited the government’s evaluation of chemicals including formaldehyde, inorganic arsenic and hexavalent chromium, which can be used or created by industrial processes.

From Los Angeles Times

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.”

From Los Angeles Times

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

From Los Angeles Times

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

From Los Angeles Times

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

From Los Angeles Times