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Periscope

An instrument that allows objects that are not in the direct line of sight to be seen.

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  • Part of Speech: noun
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  • Industry/Domain: Physics
  • Category: Optics
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Related terms

periscope
Physics; Optics

An instrument that allows objects that are not in the direct line of sight to be seen.

periscope
Science; General science

An optical instrument that permits viewing along a displaced or deflected axis, providing an observer with the view from a position which may be inaccessible or dangerous. ...

periscopic
Language; Dictionaries

Viewing all around, or on all sides.

periscope
Language; Dictionaries

A general or comprehensive view.

periscope
Shipbuilding; Naval architecture

An instrument used for observing objects from a point below the object lens. It consists of a tube fitted with an object lens at the top, an eye piece at the bottom and a pair of ...

periscope antenna
Telecommunications; General telecom

An antenna configuration in which the transmitting antenna is oriented to produce a vertical radiation pattern, and a flat or off-axis parabolic reflector, mounted above the ...

focal length
Physics; Optics

The distance from the surface of a lens or mirror to the point where the light rays come together to form a clear image.

Huygens
Physics; Optics

Dutch scientist who invented a way to make better lenses for telescopes. He discovered Saturn's fourth satellite.

lens
Physics; Optics

A piece of glass that is shaped in such a way as to form an image. Lenses work by changing the direction of light.

magnifying glass
Physics; Optics

A lens that makes objects look larger than they really are. A magnifying glass has a convex lens.

myopia
Physics; Optics

The condition of being nearsighted. Myopia can be corrected with glasses. It can be corrected by exercise also.

objective lens
Physics; Optics

The lens that is closest to the object being viewed with an instrument such as a telescope or a microscope.

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