lexicographical

/ˌlɛksɪkəˈɡræfɪkəl/
adjective
  1. Relating to the writing, editing, or study of dictionaries (same meaning as 'lexicographic').
    • He published a lexicographical study of Old English terms.
    • The lexicographical research revealed how the word's meaning changed over time.
    • The lexicographical conventions used in this dictionary follow a long tradition.
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