cyanocobalamin

American  

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

noun

Biochemistry.

1. vitamin B12.

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cyanocobalamin British  

/ ˌsaɪənəʊkəʊˈbæləmɪn /

noun

1. 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

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cyanocobalamin Scientific  

/ sī′ə-nō′kō-băl′ə-mĭn,sī-ăn′ō- /

1. See vitamin B ₁₂

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Etymology

Origin of cyanocobalamin

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

Example Sentences

The drug with the biggest increase was cyanocobalamin, an injected form of vitamin B-12 that is made by multiple companies, the cost per unit of which rose 78%.

From The Wall Street Journal • Dec. 22, 2015

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 • Jun. 10, 2012

Would an injection of B12 cyanocobalamin keep us awake?

From Salon • Jun. 10, 2012