beryllium
nounHow to pronounce beryllium:
Definition of beryllium:
- beryllium (noun):
- a light strong brittle grey toxic bivalent metallic element.
- a chemical element of the alkaline earth metal group with atomic number 4 that occurs naturally in minerals such as beryl and is steel-gray in color, light and strong but brittle, and is used chiefly as a hardening agent in alloys see chemical elements table
Synonyms for beryllium:
metalberylbeOther 4-syllable words like beryllium
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