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selenio

selenium

noun seh-LEH-nyoh Rare

Origin: From New Latin selenium, coined by Berzelius (1818) from Greek selene (moon), because of its chemical similarity to tellurium (from Latin tellus, earth).

Usage Note

Selenio is the chemical element selenium (symbol Se, atomic number 34), a non-metal in the chalcogen group alongside azufre (sulfur) and oxígeno (oxygen). It is essential in trace amounts for human health but toxic in excess. It is used in photovoltaic cells and glass manufacture.

Examples

"El selenio es un oligoelemento esencial para el organismo."

Natural Translation

Selenium is an essential trace element for the body.

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