DIFFRACTION GRATING


Meaning of DIFFRACTION GRATING in English

Physics.

a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra. Also called grating .

[ 1865-70 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .