tuba root
Học thuậtThân thiện
Definition
Noun: - Tuberous root of the derris plant: Refers specifically to the enlarged, root-like structure of certain tropical woody vines (genus Derris, particularly Derris elliptica). This root is notable for containing rotenone, a natural compound used historically as an insecticide and piscicide (fish poison).
Usage Examples
- Noun:
- The indigenous people traditionally used crushed tuba root to stun fish in streams.
- Rotenone, extracted from the tuba root, was once a common organic insecticide in gardening.
Advanced Usage
- As a source material: The term is often used in agricultural, botanical, or historical contexts to refer to the root as the source of the compound rotenone.
- The study focused on the sustainable harvesting of tuba root for botanical pesticide production.
Variants and Related Words
- Derris root: A direct synonym, often used interchangeably.
- Rotenone: The active chemical compound isolated from the tuba root.
Synonyms
- Derris root
- root
Notes on Meaning
This is a highly specific botanical term. Its primary and essentially only meaning is the root of the derris plant, valued for its rotenone content. It does not have common idiomatic or phrasal verb uses.
Noun
- woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone