IPA: /pɑːˈtɪkjʊlət/
KK: /pɑrˈtɪk.jə.lɪt/
Relating to very small pieces or particles that can be found in the air or other substances.
The air quality was affected by particulate matter from the nearby factory.
A very small piece or particle of a substance, often found in the air or as part of a mixture.
The air quality was affected by high levels of particulate matter from the factory.
Particulate is formed from "particula" (from Latin, meaning a small part or particle) and the suffix "-ate" (indicating a state or quality). The word refers to something that is composed of small particles or is in a state of being particulate.
Think of 'particula' meaning a small part, which helps you remember that 'particulate' refers to something made up of tiny pieces.