up·per·case 
/ˌʌpɚˈkeɪs/ adjective
/ˌʌpɚˈkeɪs/ adjective : having as its typical form A, B, C rather than a, b, c : capital
▪ uppercase letters ▪ uppercase D — compare lowercase
▪ uppercase letters ▪ uppercase D — compare lowercase
— uppercase noun [noncount]
▪ abbreviations written in uppercase
▪ abbreviations written in uppercase
