cy·​a·​no·​co·​bal·​a·​min ˌsī-ə-nō-kō-ˈba-lə-mən How to pronounce cyanocobalamin (audio)
variants or less commonly cyanocobalamine

Example Sentences

Recent Examples on the Web This supplement provides vitamin B12 in the form of cyanocobalamin. Alex Aldeborgh, Ms, Verywell Health, 27 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cyanocobalamin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


cyan- + cobalt + vitamin

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of cyanocobalamin was in 1950

Dictionary Entries Near cyanocobalamin

Cite this Entry

“Cyanocobalamin.” Dictionary, Merriam-Webster, Accessed 30 May. 2023.

Medical Definition


cy·​a·​no·​co·​bal·​a·​min -kō-ˈbal-ə-mən How to pronounce cyanocobalamin (audio)
variants also cyanocobalamine

More from Merriam-Webster on cyanocobalamin

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