Meaning of “beryllium” in the English Dictionary

american-english dictionary

(Definition of “beryllium” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"beryllium" in American English

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berylliumnoun [ U ]

/bəˈrɪl·i·əm/

chemistry a hard, light, gray chemical element that is a metal and is used to make strong alloys (= mixtures of metals)

(Definition of “beryllium” from the Cambridge Academic Content Dictionary © Cambridge University Press)