SUPERSCRIPT

[noun] [U], [adjective] [not gradable] - (a word, letter, number, or symbol) written or printed just above a word, letter, number or symbol, usually in a smaller sizeReferences to the notes are given in superscript.The number 2 written in superscript after another number means that the number is to be multiplied by itself.The superscript numbers in the text refer to the bibliography.