A binocular instrument consisting of two (sets of) mirrors or lenses set apart from one another, so as to allow distant objects or scenes to be viewed in relief.
Origin
Mid 19th century. After German Telestereoskop.
Definition of telestereoscope in US English:
telestereoscope
noun
A binocular instrument consisting of two (sets of) mirrors or lenses set apart from one another, so as to allow distant objects or scenes to be viewed in relief.