sodium

Definition of Sodium in English :

Noun

a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)

WordNet Lexical Database for English. Princeton University. 2010.

Sodium

see synonyms of sodium

noun

a.

a very reactive soft silvery-white element of the alkali metal group occurring principally in common salt, Chile saltpetre, and cryolite. Sodium and potassium ions maintain the essential electrolytic balance in living cells. It is used in the production of chemicals, in metallurgy, and, alloyed with potassium, as a cooling medium in nuclear reactors. Symbol: Na; atomic no: 11; atomic wt: 22.989768; valency: 1; relative density: 0.971; melting pt: 97.81±0.03°C; boiling pt: 892.9°C

b.

(as modifier)

sodium light

Sodium

see synonyms of sodium

noun

1.

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

see the periodic table of elements in the Reference Supplement

2.

sodium chloride

Sodium

see synonyms of sodium

n. Symbol Na

A soft, light, extremely malleable silver-white element that is an alkali metal, reacts violently with water, is naturally abundant in combined forms, especially in common salt, and is used in the production of a wide variety of industrially important compounds. Sodium ions are essential to numerous biological processes in animals. Atomic number 11; atomic weight 22.9898; melting point 97.80°C; boiling point 883°C; specific gravity 0.971 (20°C); valence 1. See Periodic Table.

Sodium

Noun

Sodium

Sodium

Sodium

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