Definition of Periscope
a viewing instrument, in the shape of a tube comprised of mirrors and lenses, that allows a viewer to obtain a clear field of sight
Examples of Periscope in a sentence
Although the soldier was positioned in a ditch, he was able to use a periscope to observe the enemy camp above ground. 🔊
A periscope uses lenses and mirrors to provide a user with an unbarred view of an area that would normally be impossible to see. 🔊
While in the submarine, the sailor used a periscope to search for movements on the surface of the ocean. 🔊
A periscope rotates and provides the viewer with a 360-degree observation of a geographic region. 🔊
Doctors frequently use an instrument similar to a periscope to examine the inside of the human body. 🔊
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