Definition

1. Noun:
   • Red ochre / Red earth: A type of naturally occurring clay or earth pigment characterized by its reddish color, primarily due to the presence of iron oxide. It is a traditional material used for coloring and marking.

Usage Examples

• Noun:
  • Người nghệ nhân dùng đất son để vẽ các hoa văn truyền thống. (The artisan uses red ochre to draw traditional patterns.)
  • Màu của bức tường này giống như đất son. (The color of this wall resembles red earth.)

Advanced Usage

• In historical and cultural contexts, "đất son" can refer to the material used in ancient manuscripts, folk paintings, or religious ceremonies for its symbolic and durable color.

Variants and Related Words

• Son (n): Vermilion; a bright red pigment, often mercuric sulfide. While "son" can be a more refined, vivid red, "đất son" specifically emphasizes the earthy, natural clay form.
• Đất đỏ (n): Red soil/earth; a broader term for any reddish soil, not necessarily used as a pigment.

Synonyms

• Red ochre
• Red earth pigment
• Ruddle

Notes on Usage

• "Đất son" is a compound noun. It specifically denotes the earthy, pigment form. The word "son" alone can have different connotations (e.g., lipstick, vermilion).
• It is primarily a material term and is not commonly used in idiomatic expressions.