Definition

1. Adjective:

   • Written or printed above the baseline: Describes a character, letter, number, or symbol that is positioned higher than the standard text line, typically smaller in size.
   • Superior in position: Refers specifically to something set above another character, often to indicate a mathematical exponent, footnote reference, or other annotation.

2. Noun:

   • A superior character: A character, number, or symbol that is printed or written in the superscript position.
   • An exponent or reference mark: Specifically, a superscript is often a numeral or symbol denoting a power (e.g., the 2 in x²) or a reference to a note (e.g., the ¹ in a sentence¹).

Usage Examples

• Adjective:
  • The chemical formula for water uses a superscript '2' in H₂O.
  • Please format the footnote number as a superscript character.
• Noun:
  • In the expression 5³, the '3' is a superscript indicating a cube.
  • The author added a superscript to direct the reader to additional information.

Advanced Usage

• Digital Typography: In word processors and typesetting, the function (often Ctrl+Shift++ or via a formatting menu) is used to apply this style, which adjusts the character's vertical alignment and font size.
• Mathematical and Scientific Notation: Superscripts are fundamental for writing exponents (e.g., 10⁶ for one million), ordinal indicators (1ˢᵗ, 2ⁿᵈ), and ionic charges in chemistry (Ca²⁺).

Variants and Related Words

• Subscript (adj/n): The opposite of superscript; written or printed below the baseline (e.g., the '2' in H₂O).
• Superior (adj, typography): A less common synonym for superscript, especially in older printing contexts.
• Exponent (n): In mathematics, the superscript number that indicates how many times a base number is multiplied by itself.

Synonyms

• Superior character (typography)
• Exponent (mathematics, specific use)
• Reference mark (in footnotes/endnotes)

Related Phrases

• In superscript: Written using the superscript format.
  • The temperature was 25°C, with the degree symbol in superscript.
• Set as superscript: To apply the typographical superscript style.
  • Highlight the number and set it as superscript.

Adjective

1. written or printed above and to one side of another character

Noun

1. a character or symbol set or printed or written above and immediately to one side of another character