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 (sī′ə-nō′kō-băl′ə-mĭn, sī-ăn′ō-)
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.


(ˌsaɪənəʊkəʊˈbæləmɪn) or


(Biochemistry) 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. Also: vitamin B12
[C20: from cyano- + cobal(t) + (vit)amin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

vitamin B1


vitamin B2


vitamin B3


vitamin B6


vitamin B12

a complex water-soluble solid, C63H88N14O14PCo, obtained from liver, milk, eggs, fish, oysters, and clams: a deficiency causes pernicious anemia and disorders of the nervous system. Also called cyanocobalamin, cobalamin, extrinsic factor.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cyanocobalamin - a B vitamin that is used to treat pernicious anemiacyanocobalamin - a B vitamin that is used to treat pernicious anemia
B complex, B vitamin, B-complex vitamin, vitamin B, vitamin B complex, B - originally thought to be a single vitamin but now separated into several B vitamins
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n. cianocobalamina, vitamina B12 usada en el tratamiento de la anemia perniciosa.
English-Spanish Medical Dictionary © Farlex 2012


n cianocobalamina, vitamina B12
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
(3) Supplied per kg of diet: retinol acetate 5.16 mg; cholecalciferol 0.05 mg; dl-alpha-tocopheryl acetate 30 mg; menadione 5 mg; thiamine 3 mg; riboflavin 8 mg; niacin 25 mg; calcium-D pantothenate 15 mg; pyridoxine 5 mg; cyanocobolamin 0.02 mg; folic acid 1mg; D-biotin 0.05 mg; choline chloride 200 mg; manganese 80 mg; iron 60 mg; zinc, 60 mg; copper 5 mg; cobalt 0.2 mg; iodine 1 mg; selenium 0.15 mg.
Homocysteine concentrations were significantly associated with MTHFR genotype (1.4 [micro]mol/L higher mean homocysteine for TT vs CC, P <0.001) and inversely associated with calorie-adjusted intake of folate, vitamins [B.sub.2] (riboflavin), [B.sub.6] (pyridoxine), and [B.sub.12] (cyanocobolamin), all [P.sub.trend] <0.001 (see Fig.