Definition of pulverulentous in US English:

pulverulentous

adjective

rare
  • Pulverulent 2.

Origin

Mid 17th century; earliest use found in John Parkinson (1566/7–1650), apothecary and herbalist. From classical Latin pulverulentus pulverulent + -ous.

Pronunciation

pulverulentous

/pʌlˌvɛr(j)ʊˈlɛntəs/