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lens
has definitions from the fields of physics,optics,electronics,anatomy,zoology,ophthalmology,biology,botany
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[ noun ] (physics,optics) a transparent optical device used to converge or diverge transmitted light and to form images
Synonyms Used in print (Frank Getlein and Harold C. Gardiner, S.J., Movies,...)Each frame comes between the light and the lens and is individually projected on the screen , at the rate , for silent_movies , of 16 frames per second , and , for sound films , 24 frames per second . (A. N. Nagaraj and L. M. Black, "Localization of...)A red filter , Zeiss barrier filter with the code ( Schott ) designation BG 23 , was also used in the ocular lens assembly as it improved the contrast between specific and nonspecific fluorescence . |
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[ noun ] (biology,botany) genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
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[ noun ] (anatomy,zoology,ophthalmology) biconvex transparent body situated behind the iris in the eye; it focuses light waves on the retina
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[ noun ] (electronics) electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
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