15-Letter Words Containing: I,N,O,P,R,T,T,U

• former genus of primitive apelike men now Homo erectus

• a journalist who presents a story primarily through the use of photographs

• partial sterilization of foods at a temperature that destroys harmful microorganisms without major changes in the chemistry of the food

• the position of instructor

• excessive nutrients in a lake or other body of water, usually caused by runoff of nutrients (animal waste, fertilizers, sewage) from the land, which causes a dense growth of plant life; the decomposition of the plants depletes the supply of oxygen, leading to the death of animal life