Medical Definition of tetrahydrofolic acid
: a metabolically active reduced form C19H23N7O6 of folic acid that acts as a coenzyme in the transfer of groups (as a methyl group) containing a single carbon atom in metabolic synthesis (as of purines)
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?