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bn:00036498n
Noun Concept
SYL
No term available
EN
Lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length WordNet 3.0
Relations
Sources
IS A
EN
lens
PART OF
EN
headlight
EN
searchlight
HAS KIND
EN
hyperradiant Fresnel lens
DISCOVERER OR INVENTOR
EN
Fresnel
NAMED AFTER
EN
Fresnel

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