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picloram

[pik-luh-ram, pahy-kluh-] /ˈpɪk ləˌræm, ˈpaɪ klə-/
noun, Chemistry
1.
a colorless powder, C 6 H 3 Cl 3 N 2 O 2 , used as a systemic herbicide for controlling annual weeds and deep-rooted perennials on noncrop land.
Origin of picloram
1960-1965
1960-65; reverse compound from am(inotrich)lor(o)pic(olinic acid); see amino-, tri-, chloro-2, picolinic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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