0 a word, letter, number, or symbol written or printed just above a word, letter, number, or symbol, usually in a smaller size: --
His typewriter could not produce a superscript "th".
References to the notes are given in superscript.
Dates in brackets refer to the original date of publication; the superscript numbers refer to the edition that was reprinted.
When no superscripts are added, it refers to treatment by a general practitioner.
The superscript v indicates that these quantities are associated with the vortex.
Means with different superscripts are significantly different from each other.
In each row, values not sharing a superscript letter are significantly different at the 5% level.
In each column, for a given parameter, values not sharing a superscript number are significantly different at the 5% level.
The superscript 0 is used to denote the base flow.
We may omit the type superscripts of the lambda abstraction for ease of presentation.