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Definition of americium noun from the Oxford Advanced Learner's Dictionary

americium

noun

/ˌæməˈrɪsiəm/,

/ˌæməˈrɪʃiəm/

/ˌæməˈrɪsiəm/,

/ˌæməˈrɪʃiəm/

[uncountable]

(symbol Am)

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a chemical element. Americium is a radioactive metal.

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See americium in the Oxford Advanced American Dictionary

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Nearby words

noun

From the Word list

B2

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