cyanocobalamin

cyanocobalamin

[sahy-uh-noh-koh-bal-uh-min, sahy-an-oh-]
noun Biochemistry.

Origin:
1945–50; cyano-3 + cobal(t) + (vit)amin

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Collins
World English Dictionary
cyanocobalamin (ˌsaɪənəʊkəʊˈbæləmɪn)
 
n
Also: vitamin B12 a complex red crystalline compound, containing cyanide and cobalt and occurring in liver: lack of it in the tissues leads to pernicious anaemia. Formula: C63H88O14N14PCo
 
[C20: from cyano- + cobal(t) + (vit)amin]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

cyanocobalamin cy·a·no·co·bal·a·min (sī'ə-nō'kō-bāl'ə-mĭn, sī-ān'ō-)
n.
See vitamin B12.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
cyanocobalamin  [%PREMIUM_LINK%]     (sī'ə-nō'kō-bāl'ə-mĭn, sī-ān'ō-)  Pronunciation Key 
See vitamin B<sub>12</sub>.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

cyanocobalamin

a complex water-soluble organic compound that is essential to a number of microorganisms and animals, including humans. Vitamin B12 aids in the development of red blood cells in higher animals. The vitamin, which is unique in that it contains a metallic ion, cobalt, has a complex chemical structure as shown:

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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