noun
- plural of derris, a tropical leguminous plant whose roots contain rotenone, used as an insecticide
Usage: botanical; technical
Examples
- The farmer applied derrises extract to control aphids on his crops.
- Several species of derrises are cultivated for their insecticidal properties.
- Traditional fishermen used derrises roots to stun fish in shallow waters.
- The botanical garden displayed various derrises specimens from Southeast Asia.
- Researchers studied the rotenone content in different derrises varieties.