decryptionhandbook
nounUK /diːˈkrɪpʃən ˈhændbʊk/
US /diːˈkrɪpʃən ˈhændbʊk/
A book that teaches you how to turn secret codes back into normal words.
The spy read the decryptionhandbook to understand the hidden message.
RELATED WORDS
OTHER MEANINGS
2. A reference guide listing methods for unlocking protected digital files.
The technician consulted the decryptionhandbook to open the locked archive.
3. A set of instructions for solving puzzles written in a secret language.
The puzzle club used a decryptionhandbook to crack the riddle.
4. A manual explaining how to read scrambled text in games or stories.
In the game, players find a decryptionhandbook to reveal the treasure map.