— electroencephalographic /i lek'troh en sef'euh leuh graf"ik/ , electroencephalographical , adj. — electroencephalographically , adv. — electroencephalography /i lek'troh en sef'euh log"reuh fee/ , n.
/i lek'troh en sef"euh leuh graf', -grahf'/ , n. Med.
an instrument for measuring and recording the electric activity of the brain.
[ 1935-40; ELECTRO- + ENCEPHALOGRAPH ]