subscript /ˈsʌbskɹɪpt/verb 3noun 2adjective 1forms 3 verb3 •To provide with a subscript.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. — 1996 •To convert to a subscript form.If your presentation covers chemistry or some other scientific field, you'll need to subscript and superscript characters (think H2O). — 2007 •To access (an array element) by its index.Avoid subscripting arrays or hashes within loops. — 2005 noun2 •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. •An index into an array or hash.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. — 2012 adjective1 •Written underneath. formssubscripted · subscripting · subscripts