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 WordNet Dictionary |
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| | Definition: | |
[n] lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length |
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| | See Also: | | headlamp, headlight, lens, lens system, searchlight |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Fres`nel" lens"\ [See {Fresnel lamp}.] (Optics)
See under {Lens}.
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