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cyanocobalamin

American

[sahy-uh-noh-koh-bal-uh-min, sahy-an-oh-] / ˌsaɪ ə noʊ koʊˈbæl ə mɪn, saɪˌæn oʊ- /

noun

Biochemistry.

vitamin B12.

cyanocobalamin British

/ ˌsaɪənəʊkəʊˈbæləmɪn /

noun

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: C 63 H 88 O 14 N 14 PCo

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

cyanocobalamin Scientific

/ sī′ə-nō′kō-băl′ə-mĭn,sī-ăn′ō- /

See vitamin B ₁₂

Etymology

Origin of cyanocobalamin

First recorded in 1945–50; cyano- ³ + cobal(t) + (vit)amin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Despite the weary look on their faces, they have indeed been listening carefully, questioning even minute details like the tiny letters IM and SC on the side of Mrs. Morris-Kukoski’s vial of cyanocobalamin.

From Salon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023