vitamin B12

noun \ -ˈbē-ˈtwelv \
|Updated on: 23 Jun 2018

Definition of vitamin B12

1 : a complex cobalt-containing compound C63H88CoN14O14P that occurs especially in liver, is essential to normal blood formation, neural function, and growth, and is used especially in treating pernicious and related anemias and in animal feed as a growth factor called also cyanocobalamin
2 : any of several compounds similar to vitamin B12 in action but having different chemistry

Recent Examples of vitamin b{inf}12{/inf} from the Web

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First Known Use of vitamin b12

1948

in the meaning defined at sense 1

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Medical Dictionary

vitamin B12

noun \ -ˈbē-ˈtwelv \

medical Definition of vitamin B12

1 : a complex cobalt-containing compound C63H88CoN14O14P found in animal products (as meat and eggs) that is essential to normal blood formation, neural function, and growth and is used especially in treating pernicious and related anemias and in animal feed as a growth factor called also cyanocobalamin
2 : any of several compounds similar to vitamin B12 in action but having different chemistry

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