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sodium

   Also found in: Medical, Financial, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
so·di·um  (sd-m)
n. Symbol Na
A soft, light, extremely malleable silver-white metallic element that reacts explosively 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. Atomic number 11; atomic weight 22.99; melting point 97.8°C; boiling point 892°C; specific gravity 0.971; valence 1. See Table at element.

[sod(a) + -ium.]

sodium
Noun
Chem a very reactive soft silvery-white metallic element Symbol: Na[from soda]

sodium  (sd-m)
Symbol Na
A soft, lightweight, silvery-white metallic element of the alkali group that reacts explosively with water. It is the most abundant alkali metal on Earth, occurring especially in common salt. Sodium is very malleable, and its compounds have many important uses in industry. Atomic number 11; atomic weight 22.99; melting point 97.8°C; boiling point 892°C; specific gravity 0.971; valence 1. See Periodic Table.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.sodiumsodium - 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)
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
halite, rock salt - naturally occurring crystalline sodium chloride
brine, saltwater, seawater - water containing salts; "the water in the ocean is all saltwater"
Translations
Spanish sodium [ˈsəudɪəm] nsodio
French sodium [ˈsəudɪəm] nsodium m
German sodium [ˈsəudɪəm] nNatrium nt
Italian sodium [ˈsəudɪəm] nsodio

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You see, then, that chloride of sodium forms a large part of it.
Lloyd's discovery of the "death bacillus" of the sea toad, and his experiments on it with potassium cyanide, sent his name and that of his university ringing round the world; nor was Paul a whit behind when he succeeded in producing laboratory colloids exhibiting amoeba-like activities, and when he cast new light upon the processes of fertilization through his startling experiments with simple sodium chlorides and magnesium solutions on low forms of marine life.
 
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