1. A character set that includes letters and is used to write a language
   "The Korean alphabet has 24 basic letters";
   - ABC, ABC's, ABCs
    
2. The elementary stages of any subject (usually plural)
   "he mastered only the alphabet of geometry";
   - rudiments, first principles, elements

Derived forms: alphabets

Type of: basic principle, basics, bedrock, character set, fundamental principle, fundamentals, script

Encyclopedia: Alphabet