cyanocobalamin

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

Phonetic (Standard)IPA

noun

Biochemistry.

vitamin B12.

cyanocobalamin

/ 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

cyanocobalamin

See vitamin B ₁₂

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Word History and Origins

Origin of cyanocobalamin¹

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

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Word History and Origins

Origin of cyanocobalamin¹

C20: from _cyano- + _cobal ( _t ) + ( _vit ) _amin

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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.