subchapter

/ˈsʌbˌtʃæptər/
noun
  1. A division or section within a chapter of a book, document, or law.
    • Each subchapter of the textbook covers a different topic in detail.
    • The legal code is organized into chapters and subchapters for easy reference.
    • I only need to read subchapter 3.2 for tomorrow's class.
What does "subchapter" mean? | whatsthatwordmean | whatsthatwordmean