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Meaning of trifid cipher | Babel Free

Noun CEFR B2

Definitions

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

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

triflate triflation triflavin Trifle Trifled Trifler