picloram

/pik-luh-ram, pahy-kluh-/US // ˈpɪk ləˌræm, ˈpaɪ klə- //

苦参碱,毒莠定,毒莠不齐,吡唑仑

Definitions

n.名词 noun

1
Chemistry.
- : a colorless powder, C6H3Cl3N2O2, used as a systemic herbicide for controlling annual weeds and deep-rooted perennials on noncrop land.