mirroredcode
nounUK /ˈmɪrəd kəʊd/
US /ˈmɪrərd koʊd/
A code that is written backwards, like a picture in a mirror.
The secret message was a mirroredcode, so we had to read it from right to left.
OTHER MEANINGS
2. A copy of computer instructions that is an exact reflection of the original.
The backup server stored a mirroredcode of the main program.
3. Writing that looks normal only when you hold it up to a mirror.
Leonardo da Vinci often wrote in mirroredcode in his notebooks.
4. A puzzle where you must flip letters or numbers to find the hidden word.
The escape room clue was a mirroredcode that spelled 'open' when reversed.