13-Letter Words Containing: I,S,H,E,R,Y

• extremely high fever (especially in children)

• an instrument that indicates whether two periodic motions are synchronous (especially an instrument that enables a pilot to synchronize the propellers of a plane that has two or more engines)

• therapy that uses physical agents: exercise and massage and other modalities

• a broad highway designed for high-speed traffic

• an extensive electronic network (such as the internet) used for the rapid transfer of sound and video and graphics in digital form