Picloram Definition
pĭklə-răm, pīklə-
noun
An extremely toxic herbicide and defoliant, C6H3Cl3N2O2, that persists in the soil and is slow to break down.
Webster's New World
The herbicide 4-amino-3,5,6-trichloropicolinic acid.
Wiktionary
Origin of Picloram
pic(oline) (ch)lor(o)– am(ine)
From American Heritage Dictionary of the English Language, 5th Edition
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