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English
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Russian
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English
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Russian
Fresnel
UK
/frɛˈnɛl/
US
/frɛˈnɛl/
Translation fresnel into russian
Fresnel
Noun
UK
/frɛˈnɛl/
US
/frɛˈnɛl/
The Fresnel lens is used in lighthouses to focus light into a beam.
Линза Френеля используется в маяках для фокусировки света в луч.
Definitions
Fresnel
Noun
UK
/frɛˈnɛl/
US
/frɛˈnɛl/
A type of lens originally developed by French physicist Augustin-Jean Fresnel for lighthouses, which allows the construction of lenses of large aperture and short focal length without the weight and volume of material that would be required in a conventional lens design.
The lighthouse was equipped with a Fresnel lens to project its light over long distances.
Idioms and phrases
fresnel lens
The lighthouse is equipped with a Fresnel lens to enhance its light beam.
френелевская линза
Маяк оснащен френелевской линзой для усиления светового луча.