unchangingencoding

noun
UK /ʌnˈtʃeɪndʒɪŋ ɪnˈkəʊdɪŋ/
US /ʌnˈtʃeɪndʒɪŋ ɪnˈkoʊdɪŋ/

A way of writing something down that always stays the same.

The secret message used an unchangingencoding so it looked the same every time it was read.


OTHER MEANINGS

2. A rule for turning information into a code that never changes.

The old machine relied on an unchangingencoding to read the cards.

3. A fixed pattern used to store or send data.

Engineers chose an unchangingencoding to keep the files safe.

4. A way of translating text that stays the same over time.

The archive used an unchangingencoding so old records could still be opened.