selenium Meaning in the Cambridge English Dictionary
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Meaning of “selenium” in the English Dictionary

"selenium" in British English

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seleniumnoun [U]

uk   us   /səˈliː.ni.əm/ (symbol Se)
a ​chemicalelement used in photocells and ​photographicdevices and also ​necessary in ​smallamounts in the ​body
(Definition of selenium from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"selenium" in American English

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seleniumnoun [U]

 /səˈli·ni·əm/
chemistry a ​chemicalelement that is used in ​electronicdevices and is also ​necessary in ​smallamounts in the ​body
(Definition of selenium from the Cambridge Academic Content Dictionary © Cambridge University Press)
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