Of, or relating to an alphabet, especially the characters A to Z, both uppercase and lowercase.(adjective)
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Use "alphabetic" in a sentence
"To learn to decode words in alphabetic systems like English, it is necessary to understand that the letters in text represent the phonemes in speech."
"This fundamental of reading is called alphabetic, which is taught through the techniques of phonemic awareness, word analysis, phonics, and sight words."
"Omniglot is an interesting site about writing systems, which it classifies in alphabetic, syllabic, logographic, and alternative systems describing real and fictitious languages."