co·​bal·​a·​min kō-ˈba-lə-mən How to pronounce cobalamin (audio)

Examples of cobalamin in a Sentence

Recent Examples on the Web It’s made up of eight smaller vitamins: thiamine (vitamin B1), riboflavin (vitamin B2), niacin (vitamin B3), pantothenic acid (vitamin B5), pyridoxine (vitamin B6), biotin, folic acid, and cobalamins (vitamin B12). Perri O. Blumberg, Men's Health, 30 June 2023 What is in a B-complex supplement? Many, but not all, B-complex supplements contain all eight of the B vitamins: B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folate), and B12 (cobalamin). Alex Aldeborgh, Ms, Verywell Health, 27 Mar. 2023 Vitamin B12, also known as cobalamin, is a nutrient that plays an important role in the normal functioning of your body. Amber Smith, Discover Magazine, 9 Nov. 2022

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

Word History


cobalt + vitamin

First Known Use

1956, in the meaning defined above

Time Traveler
The first known use of cobalamin was in 1956

Dictionary Entries Near cobalamin

Cite this Entry

“Cobalamin.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2023.

Kids Definition


co·​bal·​a·​min kō-ˈbal-ə-mən How to pronounce cobalamin (audio)

Medical Definition


co·​bal·​a·​min kō-ˈbal-ə-mən How to pronounce cobalamin (audio)
variants also cobalamine

More from Merriam-Webster on cobalamin

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!