glossopharyngeal nerve: sensory nerve to the pharynx and back of the tongue; motor fibers innervate muscles that elevate the pharynx and larynx; includes parasympathetic fibers to the otic ganglion
cranial nerve: any of the 12 paired nerves that originate in the brain stem
operationalism: (philosophy) the doctrine that the meaning of a proposition consists of the operations involved in proving or applying it