Beryllium

n.

1.

(Chem.) A metallic element found in the beryl. See Glucinum.

Noun

1.

beryllium - a light strong brittle gray toxic bivalent metallic element Synonyms: atomic number 4, Be, glucinium

atomic number 4, Be, beryl, chrysoberyl, gadolinite, glucinium, metal, metallic element, ytterbite