beryllium

noun/bəˈrɪliəm/

Frequency rank: #14,854 of 20,003 in the WORDED list (wordfreq data)

Meaning

A hard, lightweight metallic element with atomic number 4, used in aerospace and nuclear applications.

Illustration for the English word “beryllium”

Example sentence

The scientist used beryllium to make the spacecraft's mirror both lightweight and rigid.

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