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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 ?
([dagger]) Vitamin mix with the following vitamins (mg or MIU [kg.sup.-1] dry feed): thiamin, 54; riboflavin, 108; pyridoxine, 84; cyanocobalamine, 0.3; niacin, 216; pantothenic acid, 6; biotin, 0.015; folic acid, 18; inositol, 450; stable C, 1500; menadione, 36; tocopherol, 247; carotene, 3.0 MIU; and calciferol, 0.6 MIU.
[H.sub.2]O, 135.8; [C.sub.6]H10Ca[O.sub.6] 327.0; [C.sub.6][H.sub.5][O.sub.7]Fe.5[H.sub.2]O, 29.8; MgS[O.sub.4].7[H.sub.2]O, 132.0; K[H.sub.2]P[O.sub.4] (dibasic), 239.8; Na[H.sub.2]P[O.sub.4].2[H.sub.2]O, 87.2; NaCl, 43.5 (g [kg.sup.-1]); (5) vitamin mix (choline chloride 5000: thiamin HCL 50; riboflavin 200; pyridoxine HCL 50; nicotinic acid 750; calcium pentothenate 500; inositol 2000; biotin 5.0; folic acid 15; ascorbic acid 1000; menadione 40; alpha-tocopheryl acetate 400; cyanocobalamine 0.1 (g [kg.sup.-1]).
Remarkable suppression in Rap biosynthesis was observed with addition of biotin, pyridoxine and cyanocobalamine. The highest inhibition was in case of thiamine-HCl, nicotinic acid and L (+) ascorbic acid.
This is akin to giving cyanocobalamine in a blinded fashion to a group of people with peripheral neuropathy without regard to their cyanocobalamine levels.