Definition of picloram in English:

picloram

noun

  • A derivative of picolinic acid used as a herbicide and defoliant against deep-rooted weeds and woody plants; 4-amino-3,5,6-trichloropicolinic acid, C₅NCl₃NH₂·COOH.

Origin

1960s; earliest use found in B.S.I. News. From pic- + -lor- (in chloro-) + -am (in amino-).

Pronunciation

picloram

/ˈpɪkləram/