Sodium Definition

sōdē-əm
noun
A soft, silver-white, metallic chemical element, one of the alkali metals, having a waxlike consistency: it is found in nature only in combined form and is extremely active chemically: symbol, Na; at. no. 11
Webster's New World
Webster's New World
A soft, waxy, silvery reactive metal that is never found unbound in nature, and a chemical element (symbol Na) with an atomic number of 11 and atomic weight of 22.98977.
Wiktionary
Synonyms:
  • na
  • atomic number 11

Other Word Forms of Sodium

Noun

Singular:
sodium
Plural:
sodiums

Origin of Sodium

  • Coined by Humphry Davy in 1807, from soda.

    From Wiktionary

  • sod(a) –ium

    From American Heritage Dictionary of the English Language, 5th Edition

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sodium