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Vinony

beryllium

noun

  1. steel-gray, strong, lightweight and brittle alkaline earth metal
L6294 on Wikidata ↗

Wiktionary

Pronunciation: /bəˈɹɪl.i.əm/

noun

Etymology: From beryl + -ium, so called because the element is a key component of the mineral beryl.

  1. The chemical element (symbol Be) with an atomic number of 4; a soft silvery-white low density alkaline earth metal with specialist industrial applications.
  2. An atom of this element.