Definition

1. Noun:
   • Geography: The scientific study of the Earth's physical features, climate, populations, and how human activity interacts with and affects these environments. This is the primary and most common meaning.
   • (Archaic/Literary) Territorial description or delineation: Refers to the description or mapping of a specific area's boundaries, features, or administrative divisions. This usage is now considered old-fashioned.

Usage Examples

• Noun:
  • Môn địa dư giúp chúng ta hiểu về các châu lục và đại dương. (The subject of geography helps us understand continents and oceans.)
  • Cuốn sách này trình bày địa dư của tỉnh Nghệ An thế kỷ 19. (This book presents the territorial description of Nghe An province in the 19th century.)

Advanced Usage

• "địa dư học": This is a compound term meaning "geography" (the science). While "địa dư" alone can mean geography, "địa dư học" is more precise for the academic discipline.

  • Ông ấy là giáo sư địa dư học. (He is a professor of geography.)

• "địa dư chí": An archaic compound term meaning "geographical records" or "local gazetteer," a book detailing the geography, history, and notable features of a region.

  • "Ô Châu cận lục" là một cuốn địa dư chí quý. ("Ô Châu cận lục" is a valuable geographical record.)

Variants and Related Words

• Địa lý (n): The modern, standard Vietnamese word for "geography." It has completely replaced "địa dư" in contemporary usage for this meaning.

  • Bản đồ là công cụ quan trọng trong địa lý. (Maps are important tools in geography.)

• Địa dư chính trị (n): A compound term for "political geography," a sub-discipline.

• Địa dư kinh tế (n): A compound term for "economic geography," a sub-discipline.

Synonyms

• Địa lý (n): Geography (modern synonym).
• Phong thổ (n, literary): Literally "wind and soil," an old poetic term referring to the natural features and character of a land.

Notes on Usage

• The word "địa dư" is now considered archaic (cũ) or literary in modern Vietnamese. In everyday language, academic contexts, and official documents, "địa lý" is exclusively used.
• You will encounter "địa dư" primarily in historical texts, classical literature, or in fixed compound terms like "địa dư chí."
• When translating "geography" from English to modern Vietnamese, always use "địa lý". Using "địa dư" may sound outdated or overly formal.

1. (cũ) Geography