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chromium
noun
chro·mi·um
ˈkrō-mē-əm
: a blue-white metallic element found naturally only in combination and used especially in alloys and in electroplating see Chemical Elements Table
Examples of chromium in a Sentence
Recent Examples on the Web
Mine waste including hexavalent chromium—the same cancer-causing toxin that Erin Brockovich famously campaigned against—has polluted streams and waterways.
—Vince Beiser, TIME, 29 Nov. 2024
In an investigation of a range of these products, published Wednesday in Environmental Science & Technology Letters, the researchers found that several contained high levels of at least one metal, including chromium and cadmium.
—Sharon Udasin, The Hill, 30 Oct. 2024
However, the old oil from a lawn mower picks up various contaminants, including lead, cadmium, chromium, arsenic, and more.
—Timothy Dale, Better Homes & Gardens, 12 Oct. 2024
Malibu’s tap water may have more hexavalent chromium while Pasadena’s doesn’t have any.
—Deborah Vankin, Los Angeles Times, 22 July 2024
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Word History
Etymology
First Known Use
1807, in the meaning defined above
Phrases Containing chromium
Dictionary Entries Near chromium
Cite this Entry
“Chromium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chromium. Accessed 23 Dec. 2024.
Kids Definition
chromium
noun
chro·mi·um
ˈkrō-mē-əm
: a blue-white metallic element found in nature only in combination and used especially in alloys and in chrome plating see element
Medical Definition
chromium
noun
chro·mi·um
ˈkrō-mē-əm
: a blue-white metallic element found naturally only in combination and used especially in alloys and in electroplating
—symbol Cr
see Chemical Elements Table
More from Merriam-Webster on chromium
Nglish: Translation of chromium for Spanish Speakers
Britannica English: Translation of chromium for Arabic Speakers
Britannica.com: Encyclopedia article about chromium
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