sodium
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so·di·um
(sō′dē-əm)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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
sodium
(ˈsəʊdɪəm)n
(Elements & Compounds)
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.
[C19: New Latin, from soda + -ium]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
so•di•um
(ˈsoʊ di əm)n.
1. a soft, silver-white, chemically active metallic element that occurs naturally only in combination: a necessary element in the body for the maintenance of normal fluid balance and other physiological functions. Symbol: Na; at. wt.: 22.9898; at. no.: 11; sp. gr.: 0.97 at 20°C.
2. any salt of sodium, as sodium chloride or sodium bicarbonate.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
so·di·um
(sō′dē-əm) Symbol Na A soft, lightweight, silvery-white metallic element that reacts explosively with water. It is the most abundant alkali metal on Earth, occurring especially in common salt. Sodium is very easily shaped, and its compounds have many important uses in industry. Atomic number 11. See Periodic Table.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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| Noun | 1. |  sodium - 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. |
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Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
sodium
(ˈsədiəm) noun an element from which many substances are formed, including common salt (sodium chloride). sodio
sodium bicarbonate/carbonatesodaKernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
sodium
n sodio; — benzoate benzoato sódico or de sodio; — bicarbonate bicarbonato sódico or de sodio; — chloride cloruro sódico or de sodio; — fluoride fluoruro sódico or de sodio; — hydroxide hidróxido sódico or de sodio; — lauryl sulfate lauril sulfato de sodio; — stibogluconate estibogluconato de sodioEnglish-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.