MeSH definition : Herbicides that remove leaves from trees and growing plants. They may be either organic
or inorganic. Several of the more persistent types have been used in military operations
and many are toxic. (From Hawley's Condensed Chemical Dictionary, 11th ed);
MeSH synonym : chemical defoliants;
Wikipedia link : https://en.wikipedia.org/wiki/Defoliants, chemical;
Herbicides that remove leaves from trees and growing plants. They may be either organic
or inorganic. Several of the more persistent types have been used in military operations
and many are toxic. (From Hawley's Condensed Chemical Dictionary, 11th ed)
Allowable qualifiers