Definition

1. Noun:
   • Rehmannia root (raw): The fresh or dried root tuber of the Rehmannia glutinosa plant, used in traditional medicine, particularly in East Asian herbalism. It is the unprocessed (raw) form of the herb.
   • Rehmannia glutinosa rhizome: Refers specifically to the rhizome (underground stem) of the Rehmannia plant in its raw state.

Usage Examples

• Noun:
  • Sinh địa là một vị thuốc quan trọng trong Đông y. (Rehmannia root (raw) is an important herb in traditional Eastern medicine.)
  • Bài thuốc này cần có sinh địa. (This herbal formula needs raw rehmannia.)
  • Họ thu hoạch sinh địa để làm thuốc. (They harvest raw rehmannia to make medicine.)

Advanced Usage

• "Sinh địa" vs. "Thục địa": In herbal terminology, "sinh địa" refers to the raw, unprocessed root, while "thục địa" refers to the same root after it has been steamed and processed. Their medicinal properties differ.
  • Sinh địa có tính hàn, trong khi thục địa có tính ôn. (Raw rehmannia has cold properties, while processed rehmannia has warm properties.)

Variants and Related Words

• Thục địa (n): Processed/steamed Rehmannia root. This is a related but distinct herbal substance.
• Địa hoàng (n): Another name for the Rehmannia plant or its root.
• Rehmannia glutinosa (n): The scientific/Latin name for the plant species.

Synonyms

• Raw rehmannia: (English equivalent)
• Rehmannia root (unprocessed): (Descriptive English term)
• Chinese foxglove root (raw): (A common English name for the herb)

Related Phrases/Compounds (Cụm từ liên quan)

• Sinh địa hoàng: A fuller name sometimes used, combining "sinh địa" and "địa hoàng".
• Canh sinh địa: A decoction or soup made with raw rehmannia.

Notes on Meaning

• Botanical/Herbal Term: This word is almost exclusively used in the context of traditional medicine and herbalism. It is a specific term for a medicinal substance.
• Not a Common Noun: It does not refer to a general concept like "birthplace" (which would be "nơi sinh" or "quê hương" in Vietnamese). Its meaning is fixed within the herbal pharmacopeia.

1. (dược) Rhemannia raw shizome