particulate

 
Pronunciation: /pɑːˈtɪkjʊlət, -eɪt, pə-/

adjective

  • relating to or in the form of minute separate particles: particulate pollution

noun

(particulates)
  • matter in the form of minute separate particles: sooty particulates from diesel exhausts

Origin:

late 19th century: from Latin particula 'particle' + -ate2