unchangeablefield
nounUK /ʌnˈtʃeɪndʒəbəl fiːld/
US /ʌnˈtʃeɪndʒəbəl fiːld/
A field is a box for information, and an unchangeable field is a box you cannot edit.
The website shows your username in an unchangeable field, so you cannot type over it.
RELATED WORDS
OTHER MEANINGS
2. In computing, a data field whose value is set once and cannot be modified afterward.
The system stores the creation date in an unchangeable field.
3. A form element that displays information but does not accept user input.
The account number appears in an unchangeable field on the form.
4. A database column protected by rules that prevent updates.
Administrators marked the ID column as an unchangeable field.