cốt khí
Definition
- Noun:
- Tephrosia (botanical): A genus of flowering plants in the legume family (Fabaceae), commonly known as "cốt khí" in Vietnamese. These plants are often used in traditional medicine.
- Bone marrow (archaic/obsolete meaning): In some historical or specialized contexts, it could refer to the essence or marrow of bones, though this usage is very rare in modern Vietnamese.
Usage Examples
- Noun (Botanical):
- Cốt khí là một loại cây dược liệu quý. (Tephrosia is a valuable medicinal plant.)
- Người ta thường dùng rễ cây cốt khí để làm thuốc. (People often use the roots of the tephrosia plant to make medicine.)
Advanced Usage
- "cây cốt khí": The tephrosia plant. This is the standard compound term used to refer to the plant itself.
- Cây cốt khí mọc hoang ở nhiều vùng đồi núi. (The tephrosia plant grows wild in many hilly and mountainous areas.)
Variants and Related Words
- Tephrosia purpurea: The scientific name for a common species of "cốt khí".
- Dây cốt khí: Another way to refer to the plant, emphasizing its vine-like or climbing nature.
- Thuốc cốt khí: Medicine made from the tephrosia plant.
Synonyms
- Tephrosia: The direct English equivalent.
- Fish-poison bean / Wild indigo: Common English names for some species within the Tephrosia genus.
Notes on Usage
- In contemporary Vietnamese, "cốt khí" is almost exclusively used as a botanical term. The archaic meaning related to "bone marrow" is obsolete and not used in everyday language.
- It is primarily found in contexts related to traditional medicine, botany, or herbalism.