1.NounA type of lettering form that appears as a number, figure, or symbol above the normal line of type, located at the right or left of another symbol or text."In .mw-parser-output .texhtml{font-family:"Nimbus Roman No9 L","Times New Roman",Times,serif;font-size:118%;line-height:1;white-space:nowrap;font-feature-settings:"lnum","tnum","kern"0;font-variant-numeric:lining-nums tabular-nums;font-kerning:none}.mw-parser-output .texhtml .texhtml{font-size:100%}x, the 2 written in superscript means “to the power of two”."