FRESNEL LENS

Pronunciation (US): (GB):

Meaning:

Lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length

Classified under:

Nouns denoting man-made objects

Hypernyms ("Fresnel lens" is a kind of...):

lens; lens system; lense (a transparent optical device used to converge or diverge transmitted light and to form images)

Holonyms ("Fresnel lens" is a part of...):

headlamp; headlight (a powerful light with reflector; attached to the front of an automobile or locomotive)

searchlight (a light source with reflectors that projects a beam of light in a particular direction)