sub-script
nounUK /ˈsʌb.skrɪpt/
US /ˈsʌb.skrɪpt/
A small letter or number written below the normal line of text.
In the chemical formula for water, the 2 is a subscript.
RELATED WORDS
OTHER MEANINGS
2. A piece of text written below the main text, such as a footnote or caption.
The subscript at the bottom of the page explained the symbol.
3. In computing, a way to access an element of an array or list using an index.
The program uses a subscript to find the third item in the list.
4. Written below or beneath something.
The subscript label was printed under the diagram.