codebook
/ˈkoʊdˌbʊk/
noun
- A book or document that lists codes and their meanings, used for encoding or decoding secret messages.
- The detective found a hidden codebook in the old desk drawer.
- During the war, each radio operator carried a small codebook for secure communication.
- The spy used a codebook to translate the encrypted message.
- A set of rules or symbols used to convert information into a different form, such as in computing or data analysis.
- In the survey, the codebook explained how to interpret the responses.
- The data scientist referred to the codebook to understand the dataset's variables.
- The programmer created a codebook to map each color to a number.