noun. (neurophysiology) a nerve impulse resulting from a weak stimulus is just as strong as a nerve impulse resulting from a strong stimulus.
adjective. occurring completely or not occurring at all.
adjective. vitally important.
adjective. dependent upon or characterized by chance.
adjective. desperately determined.
noun. a room in a hospital equipped for the performance of surgical operations.
noun. a state in northwestern United States on the Pacific.