grate : Idioms & Phrases


Diffraction grating

  • noun optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
    grating.
WordNet
  • . (Optics) See under Grating.
Webster 1913

Grate surface

  • (Steam, Boiler) the area of the surface of the grate upon which the fuel lies in the furnace.
Webster 1913

grated cheese

  • noun hard or semihard cheese grated
WordNet

Step grate

  • a form of grate for holding fuel, in which the bars rise above one another in the manner of steps.
Webster 1913