picloram

[ pik-luh-ram, pahy-kluh- ]

/ ˈpɪk ləˌræm, ˈpaɪ klə- /

Save This Word!

noun Chemistry.

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

QUIZ

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”

Question 1 of 7

The rainy weather could not ________ my elated spirits on my graduation day.

Meet Grammar Coach

Origin of picloram

1960–65; reverse compound from am(inotrich)lor(o)pic(olinic acid); see amino-, tri-, chloro-², picolinic