hyphenation

/ˌhaɪfəˈneɪʃən/
noun
  1. The act or process of joining two words or parts of a word with a hyphen, or breaking a word at the end of a line with a hyphen.
    • Good hyphenation makes a document look neat and professional.
    • The editor checked the hyphenation in the compound word 'well-known'.
    • The software automatically handles hyphenation when you justify the text.
  2. A specific instance or pattern of using hyphens in writing or printing.
    • Different style guides have different rules for hyphenation of numbers.
    • The hyphenation of 'mother-in-law' is standard in English.
    • She studied the hyphenation of technical terms in the medical journal.
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