IPA: //ˈroʊtəˌnoʊn//
KK: /ˈroʊtəˌnoʊn/
A white crystalline substance derived from certain plants, used mainly as an insecticide to control pests in gardens and agriculture.
Farmers often use rotenone to protect their crops from harmful insects.
Rotenone is derived from the word 'rotenone' itself, which comes from the roots of the plant *Derris elliptica*, a member of the legume family. The term 'rotenone' refers to a natural pesticide extracted from these roots, meaning it is a compound derived from a specific plant source.
Think of 'rotenone' as a natural substance coming from the roots of a plant, which helps you remember that it is a pesticide derived from nature.