constant-width field
nounUK /ˈkɒnstənt wɪdθ fiːld/
US /ˈkɑːnstənt wɪdθ fiːld/
A field where every letter takes up the same amount of space.
The form uses a constant-width field so all the numbers line up neatly.
OTHER MEANINGS
2. A text input area in a computer program that keeps every character the same width.
The programmer typed the code into a constant-width field.
3. A display area where columns stay straight because each character has equal width.
The old terminal showed data in a constant-width field.
4. A layout region in printing where all characters occupy equal horizontal space.
The receipt printer uses a constant-width field for prices.