fmri F minor • F natural · · · Info · Definitions · Synonyms · Characters · · fmri · · Text Latin · · Script 4 · · Length 1 · · Syllables Definitions · · · (noun) a form of magnetic resonance imaging of the brain that registers blood flow to functioning areas of the brain. Synonyms: functional magnetic resonance imaging, fMRI. · · Noun Definition 1 Synonyms · · · functional magnetic resonance imaging · · Synonym 1 Characters · · f latin small letter f U+0066 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072