- a combining form meaning “nerve,” “nerves,” “nervous system,” used in the formation of compound words: neurology.
- indicating a nerve or the nervous systemneuroblast; neurology
before vowels neur-, word-forming element meaning “pertaining to a nerve or nerves or the nervous system,” from Greek neuro-, comb. form of neuron “nerve,” originally “sinew, tendon, cord, bowstring,” also “strength, vigor,” from PIE *(s)neu- “tendon, sinew” (see nerve). pref.