selenium

noun

se·​le·​ni·​um sə-ˈlē-nē-əm How to pronounce selenium (audio)
: a photosensitive element that occurs in both crystalline and amorphous forms, is obtained chiefly as a by-product in copper refining, and is used especially in glass, semiconductor devices, and alloys see Chemical Elements Table

Examples of selenium in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Seafood: Three ounces of tuna, shrimp, or sardines meet more than 75% of the daily value of selenium. Merve Ceylan, Health, 21 Oct. 2024 Good Source of Micronutrients Swai is a good source of many essential micronutrients, including selenium, phosphorus, zinc, and certain B vitamins. Isabel Vasquez Rd Ldn, Health, 24 Sep. 2024 With high concentration of antioxidants applied after removing dead skin cells, the treatment is then followed by the infusion of the selenium antioxidant which stimulates circulation and results in hydrated, and dewy skin. Angela Lei, Forbes, 20 Sep. 2024 Garlic Garlic is an excellent source of vitamin C, manganese, vitamin B6, selenium, and fiber. Julie Marks, Verywell Health, 10 Oct. 2024 See all Example Sentences for selenium 

Word History

Etymology

New Latin, from Greek selēnē moon, from selas brightness

First Known Use

1818, in the meaning defined above

Time Traveler
The first known use of selenium was in 1818

Dictionary Entries Near selenium

Cite this Entry

“Selenium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/selenium. Accessed 22 Nov. 2024.

Kids Definition

selenium

noun
se·​le·​ni·​um sə-ˈlē-nē-əm How to pronounce selenium (audio)
: an element that is sensitive to light and is used especially in glass, alloys, and electronic devices see element

Medical Definition

selenium

noun
se·​le·​ni·​um sə-ˈlē-nē-əm How to pronounce selenium (audio)
: a nonmetallic photosensitive element that occurs in both crystalline and amorphous forms, is an essential trace element found especially in grains and meat, and is used chiefly in glass, semiconductor devices, and alloys
symbol Se
see Chemical Elements Table, selenosis

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