grating
English Thesaurus
1. 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 (noun.artifact)
| hypernym | : | optical device, |
| definition | : | a device for producing or controlling light (noun.artifact) |
| hyponym | : | echelon, |
| definition | : | a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset (noun.artifact) |
2. a frame of iron bars to hold a fire (noun.artifact)
| hypernym | : | framework, |
| definition | : | a structure supporting or containing something (noun.artifact) |
| part meronym | : | furnace, |
| definition | : | an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc. (noun.artifact) |
3. a barrier that has parallel or crossed bars blocking a passage but admitting air (noun.artifact)
| hypernym | : | barrier, |
| definition | : | a structure or object that impedes free movement (noun.artifact) |
| hyponym | : | grille, radiator grille, |
| definition | : | grating that admits cooling air to car's radiator (noun.artifact) |
4. unpleasantly harsh or grating in sound (adj.all)
5. a frame of iron bars to hold a fire (noun.artifact)
| derivation | : | grate, grate, |
| definition | : | furnish with a grate (verb.possession) |
6. unpleasantly harsh or grating in sound (adj.all)
| derivation | : | harshness, roughness, |
| definition | : | the quality of being unpleasant (harsh or rough or grating) to the senses (noun.attribute) |
| derivation | : | rasp, rasping, |
| definition | : | uttering in an irritated tone (noun.communication) |
7. a frame of iron bars to hold a fire (noun.artifact)
| derivation | : | grate, grate, |
| definition | : | furnish with a grate (verb.possession) |
8. unpleasantly harsh or grating in sound (adj.all)
| derivation | : | harshness, roughness, |
| definition | : | the quality of being unpleasant (harsh or rough or grating) to the senses (noun.attribute) |
| derivation | : | rasp, rasping, |
| definition | : | uttering in an irritated tone (noun.communication) |
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