Appendix:Subscript

Translingual

English Wikipedia has an article on:

Subscript and superscript

Wikipedia

[subscript]

(mathematics, physics) Indicates separate versions of the same variable.
x₀ and x_f might indicate the initial and final value of x
(chemistry) Indicates the number of atoms in a chemical formula.
H₂O = 2 atoms of hydrogen and 1 of oxygen

Entry-like pages
Typography	Capital letter · Lowercase letter · Superscript · Subscript · Italics · Boldface · Small caps · Underline · Strikethrough
Semantics	Possessive
Suprasegmentals	Repetition
(See also: Wiktionary:Index to appendices)