Share this entry
cobalamin Line breaks: co|bala¦min
Pronunciation: /kə(ʊ)ˈbaləmɪn/

Definition of cobalamin in English:


Any of a group of cobalt-containing substances including cyanocobalamin (vitamin B12).
Example sentences
  • The enzyme catalyzes the first common step in the biosynthesis of the tetrapyrrole pigments such as chlorophyll and cobalamin.
  • Vitamin B12 is actually a family of compounds called cobalamins, each of which has its own potential biological activity, in terms of absorption and potency.
  • It is unknown whether lowering plasma homocysteine levels with folic acid and cobalamin improves coronary endothelial function in patients.


1950s: blend of cobalt and vitamin.

Definition of cobalamin in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove ads and access premium resources