1. the act or process of dividing a word with a hyphen, especially at the end of a line in printed or written text
Usage: common in typography and publishing
2. the system or rules governing where and how words are divided with hyphens
Usage: technical; used in linguistics and document formatting

Examples

• The hyphenation of long words at the end of lines helps justify text in narrow columns.
• Different style guides have different rules for hyphenation.
• Modern word processors handle hyphenation automatically.
• Proper hyphenation improves the readability of printed documents.
• The hyphenation of compound adjectives follows specific grammatical rules.
• Hyphenation is less common in digital text than in traditional print.
• Learning correct hyphenation is important for professional writing.