DictionaryparticulateTiny particles
adjective / noun

particulate

par-TIK-yuh-lut/pɑːrˈtɪkjələt/

Matter in the form of tiny separate particles.

The magnifying glass reveals the sand's particulate form as separate tiny grains.

A small mound of fine sand with scattered individual grains, viewed through a magnifying glass that clearly reveals the separate tiny particles composing the mound.
Etymology

Particula means a little part or grain. The adjective describes material taking the form of such small pieces, connecting the selected meaning directly with its grain-like constituents.

In context

Climate Chat17:31
almost all this or all these particles or which in in science we call aerosols which is anything that's in the atmos in the air that's not a gas. It's particulate matter.
Global Heat, Nepal Flash Flood & More

More examples

  • Diesel engines release particulates into the air.
  • Fine particulate remains suspended in the water.
  • Workers wear masks to avoid breathing particulate dust.

Forms

particulate · particulates

particle noun — A tiny separate piece of matter.

Similar words

granular
Describes material made of grains, often larger and visible.
dust
Refers specifically to fine, dry particles, often airborne.