cyanocobalamin

noun

cy·​a·​no·​co·​bal·​a·​min ˌsī-ə-nō-kō-ˈba-lə-mən How to pronounce cyanocobalamin (audio)
sī-ˌa-nō-
variants or less commonly cyanocobalamine
ˌsī-ə-nō-kō-ˈba-lə-ˌmēn How to pronounce cyanocobalamin (audio)
sī-ˌa-nō-
: vitamin b12 sense 1

Examples of cyanocobalamin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Studies suggest that a B12 (cyanocobalamin) and B9 (folate) deficiency may increase the risk of cognitive decline and depression. — Sarah Anzlovar, Ms, Rd, Verywell Health, 10 Jan. 2025 Despite some research questioning the efficacy of cyanocobalamin versus methylcobalamin (a natural form of vitamin B12), both forms of vitamin B12 are used in supplements and are considered effective. — Allison Knott, Ms, Rdn, Cssd, Health, 26 Sep. 2024

Word History

Etymology

cyan- + cobalt + vitamin

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of cyanocobalamin was in 1950

Browse Nearby Words

Cyanocitta
cyanocobalamin
Cyanocorax
See all Nearby Words

Cite this Entry

“Cyanocobalamin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cyanocobalamin. Accessed 4 Apr. 2025.

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Medical Definition

cyanocobalamin

noun
cy·​a·​no·​co·​bal·​a·​min -kō-ˈbal-ə-mən How to pronounce cyanocobalamin (audio)
variants also cyanocobalamine
-ˌmēn How to pronounce cyanocobalamin (audio)
: vitamin b12

More from Merriam-Webster on cyanocobalamin

Britannica.com: Encyclopedia article about cyanocobalamin

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