Home > Terms > English, UK (UE) > Concave

Concave

Curving in or hollowed inward, as opposed to convex, such as concave lens, concave mirror, etc.

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

concave
Software; Image processing

Pertaining to a region for which at least one straight line segment between two points of the region is not entirely contained within the region. Contrast with: convex.

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Concave inward, like the inside of a bowl. When rays of light pass through a concave lens, they spread apart.

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Lenses or mirrors which bow in or hollowed inward, as opposed to convex

concave
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Curving in or hollowed inward, as opposed to convex, such as concave lens, concave mirror, etc.

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concaveation
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Milk production in a spayed female dog in response to the suckling of a puppy.

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.

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

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

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

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

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