noun
Refers to a character or symbol written above the normal line of text, often smaller, as in mathematical exponents or footnote markers.
数式で、指数は上つきで書かれます。
In mathematical expressions, exponents are written as superscripts.
このワープロソフトでは、上つきと下つきを簡単に設定できます。
In this word processor, you can easily set superscript and subscript.