Gray is more frequent in american english, and grey more common in canada, the uk, and elsewhere. The spelling 'gray' is mostly used in the united states 'grey' is the preferred spelling in the united kingdom and many other countries 'gray' is used for a color, while specific names and terms use 'grey.' Grey is the dominant spelling in european and commonwealth english, while gray is more common in american english However, both spellings are valid in both varieties of english
Us spelling of grey 2 A unit of measurement for absorbed radiation 3 Of the color that is a… Gray (comparative grayer or more gray, superlative grayest or most gray) (american spelling) of a colour between black and white, having neutral hue and intermediate brightness Of a color between white and black See examples of gray used in a sentence.