'Beryllium' definitions:
Definition of 'beryllium'
From: WordNet
noun
A light strong brittle grey toxic bivalent metallic element [syn: beryllium, Be, glucinium, atomic number 4]
Definition of 'Beryllium'
From: GCIDE
- Beryllium \Be*ryl"li*um\, n. [NL.] (Chem.) A metallic element found in the beryl. See Glucinum. [1913 Webster]
Definition of 'beryllium'
From: GCIDE
- Glucinum \Glu*ci"num\, n. [Cf. F. glucinium, glycium, fr. Gr. ?, sweet. Cf. Glycerin.] (Chem.) A rare metallic element, of a silver white color, and low specific gravity (2.1), resembling magnesium. It never occurs naturally in the free state, but is always combined, usually with silica or alumina, or both; as in the minerals phenacite, chrysoberyl, beryl or emerald, euclase, and danalite. It was named from its oxide glucina, which was known long before the element was isolated. Symbol Gl. Atomic weight 9.1. Called also beryllium. [Formerly written also glucinium.] [1913 Webster]
Definition of 'Beryllium'
From: Elements
- Symbol: Be
- Atomic number: 4
- Atomic weight: 9.0122
- Grey metallic element of group 2 of the periodic table. Is toxic and can cause severe lung diseases and dermatitis. Shows high covalent character. It was isolated independently by F. Wohler and A.A. Bussy in 1828.