Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
[ 1885-90; named after P. de FERMAT ]
Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
[ 1885-90; named after P. de FERMAT ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012