subscript

SUB-skript /ˈsʌbskrɪpt/
nounadjectiveC2
technicalacademic

A character (such as a number or letter) written or printed below the line.

Commonly used in chemical formulas (like the 2 in H₂O).

The story behind the word. From 'sub-' (below) and 'scriptum' (written). It describes text that 'sits below' the standard line of writing.

Word relationships

  • superscript: Superscript is above the line; subscript is below.

Commonly confused with

  • superscript: Sub = Below (like a Submarine); Super = Above.

Collocations

  • subscript character
  • chemical subscript
  • subscript notation

Example sentences

  • "In the formula for water, the subscript two indicates that there are two hydrogen atoms." Chemistry
  • "The designer adjusted the subscript to make the chemical symbols easier to read." Typography

Memory hook

A SUBmarine goes BELOW. Subscript is BELOW. Written below the line.

When not to use

Don't confuse with 'superscript', which is above the line.

Fun facts

  • Subscripts are also used in computer science to indicate the index of an element in an array.

Related words

superscript, script

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