beryllium

lithium${\displaystyle \longleftarrow }$ 4 ${\displaystyle \longrightarrow }$boron

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Beryllium

Pronunciation

• enPR: bərĭl'ēəm, IPA ^(key): /bə'rɪliəm/
• SAMPA: /b@"rIli@m/

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• Hyphenation: ber‧yl‧li‧um

Noun

Singular beryllium

Plural none

1. Beryllium is a light, grey metal. It has an atomic number of 4 and the symbol Be. It is the first of the alkaline earth metals.

   Beryllium is very poisonous.

   Emeralds contain beryllium.