grat·er 
(grātər)
(grātər)n.
One that grates, as an implement with sharp-edged slits and perforations on which to grate foods.
- crystal lattice
- crystalliferous
- crystalligerous
- crystallin
- crystalline
- crystalline lens
- crystallinity
- crystallite
- crystallitic
- crystallizable
- crystallization
- crystallize
- crystallizer
- crystallo-
- crystallographer
- crystallographic
- crystallographical
- crystallographically
- crystallography
- crystalloid
- crystalloidal
- crystal pleat
- crystal radio
- crystal set
- crystal violet