classifier

/ˈklæsɪfaɪər/
noun
  1. A person or thing that sorts items into groups or categories.
    • The classifier at the recycling plant separates plastic from metal.
    • The library uses a classifier to organize books by subject.
    • In machine learning, a classifier is trained to recognize spam emails.
  2. A word or affix in some languages that indicates the class or type of a noun (e.g., in Chinese or Japanese).
    • Learning classifiers is an important part of studying East Asian languages.
    • In Mandarin, the classifier '张' is used for flat objects like paper.
    • Japanese uses the classifier '本' for long, cylindrical objects.
Synonyms
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