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
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Nickel, chromium, arsenic and cobalt also exceeded safety thresholds in many regions, due to a mix of natural geological sources and human activities such as mining and industry, according to the study.
—
Sharon Udasin, The Hill, 18 Apr. 2025
But tests of seawater collected before and after the heavy rains that came in late January, after the fires abated, identified five heavy metals — beryllium, copper, chromium, nickel and lead — at levels significantly above established safety thresholds for marine life.
—Corinne Purtill, Los Angeles Times, 28 Mar. 2025
Also, an analysis of heavy metal exposures shows elevated levels of key metals, including chromium, arsenic and cobalt.
—John Bonifield, CNN, 23 Mar. 2025
Other heavy metals, including chromium, barium and lead, along with a substantial amount of iron, which is contributing to the pond’s brown and red color, were found during testing, according to the environmental consultant’s report.
—Samantha Moilanen, Chicago Tribune, 21 Mar. 2025
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Sharon Udasin, The Hill, 18 Apr. 2025
But tests of seawater collected before and after the heavy rains that came in late January, after the fires abated, identified five heavy metals — beryllium, copper, chromium, nickel and lead — at levels significantly above established safety thresholds for marine life.
—Corinne Purtill, Los Angeles Times, 28 Mar. 2025
Also, an analysis of heavy metal exposures shows elevated levels of key metals, including chromium, arsenic and cobalt.
—John Bonifield, CNN, 23 Mar. 2025
Other heavy metals, including chromium, barium and lead, along with a substantial amount of iron, which is contributing to the pond’s brown and red color, were found during testing, according to the environmental consultant’s report.
—Samantha Moilanen, Chicago Tribune, 21 Mar. 2025
See All Example Sentences for chromium
Cite this Entry
“Chromium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chromium. Accessed 26 Apr. 2025.
Copy CitationKids 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
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