Fresnel
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary Fres·nel Pronunciation: frā- ' nel Function: biographical name Augustin-Jean 1788-1827 Fr. physicist]]> Fres·nel lens Pronunciation: ' frez-nəl-, frā- ' nel- Function: noun Etymology: Augustin J. Fresnel Date: 1865 : a lens that has a surface consisting of a concentric series of simple lens sections so that a thin lens with a short focal length and large diameter is possible and that is used especially for spotlights]]>