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subscript (plural subscripts)
- (typography) A type of lettering form written lower than the things around it.
- In chemical formulas the number of atoms in a molecule is written as a subscript, so we write H2O for water which has two atoms of hydrogen for each one of oxygen.
- (programming) An index into an array or hash.
- 2012, Robert Robson, Using the STL: The C++ Standard Template Library, page 249:
- If the container is subscriptable and you remember the position where a particular piece of data was stored, you can use the subscript to efficiently retrieve the data.
a type of lettering form
- (mathematics, sciences, typography, transitive, of a variable) To provide with a subscript.
- 1996, Nancy A. Lynch, Distributed Algorithms, Elsevier, page 210:
- As in the chapters on the synchronous model, we use the convention of subscripting a variable by the index of the process at which the variable resides.
- 2011, William M. Davis (original author Cifford E. Dykstra), Physical Chemistry: A Modern Introduction (Second Edition), CRC Press, page 424:
- The elements of these matrices are subscripted with a row–column index, that is, with two integers that give the row and column position in the array.
- (mathematics, sciences, typography, transitive, of a text) To convert to a subscript form.
- 2007, Emily A. Vander Veer, PowerPoint 2007: The Missing Manual:
- If your presentation covers chemistry or some other scientific field, you'll need to subscript and superscript characters (think H2O).
- (programming, transitive) To access (an array element) by its index.
- 2005, Damian Conway, Perl Best Practices:
- Avoid subscripting arrays or hashes within loops.
subscript (not comparable)
- Written underneath.