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noun

beryllium

a light strong brittle grey toxic bivalent metallic element

In a sentence

Six example sentences with beryllium, each labelled with its topic.

  • Satellite mirrors are machined from beryllium because the frame must stay rigid while weighing almost nothing.

    Technology

  • Handling beryllium dust requires a sealed cabinet, since even a small inhaled dose damages the lungs permanently.

    Science

  • The lens mount is cut from beryllium copper so the threads survive twenty thousand changes without wearing loose.

    Photography

  • High-end speakers use beryllium tweeters because the stiff, light metal moves without flexing at very high frequencies.

    Music

  • Beryllium was identified in 1798 by a French chemist studying emeralds, though pure metal was not produced for decades.

    History

  • Workers who inhaled beryllium dust in old lamp factories developed a lung disease that doctors now screen for routinely.

    Medicine

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