He identified the pathways that regulated wakefulness and sleep onset by studying the parts of the brain that were affected by the disease and the consequences it had on the circadian rhythm.
jeopardize definition, meaning, what is jeopardize: to put something such as a plan or system in danger of being harmed or damaged: . Learn more.
Webster Dictionary(1.00 / 1 vote)Rate this definition: 1  Jeer(noun) a gear; a tackle. 2  Jeer(noun) an assemblage or combination of tackles, for hoisting or lowering the lower yards of a ship. 3  Jeer. to utter sarcastic or scoffing reflections; to speak with mockery or derision; to use taunting language; to scoff; as, to jeer at a speaker.