trifid cipher

Questions

What does trifid cipher mean?

A classical cipher that extends the earlier bifid cipher with the use of trigrams.

How to pronounce trifid cipher

1. Open the pronunciation page — Open the Speakur entry for “trifid cipher”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “trifid cipher”.
4. Repeat and practice — Say “trifid cipher” aloud, matching stress and vowels until it feels natural.