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

noun Chemistry.

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

Nearby words

  1. pickwick, samuel,
  2. pickwickian,
  3. pickwickian syndrome,
  4. pickwickianism,
  5. picky,
  6. picnic,
  7. picnic races,
  8. pico,
  9. pico de aneto,
  10. pico de são tomé

Origin of picloram

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 Unabridged Dictionary, © Random House, Inc. 2019