particulate
particulate — adjective
1. made of tiny separate bits, or connected with this kind of material.
made of tiny separate bits, or connected with this kind of material.
The report warns that particulate pollution rises fast on dry winter days.
collocation: particulate pollution
A new filter cuts particulate matter from the school's old boiler.
collocation: particulate matter
The mechanic changed the particulate filter clogged with black soot from the exhaust.
Doctors studied particulate emissions from cooking fires inside village homes.
The mask blocks particulate dust while Ken sands the wooden door.
文法句型
particulate pollution
particulate matter
particulate filter
particulate emissions
用法筆記
Usually placed before technical nouns such as matter, pollution, emissions, and filter. Distinguish it from the noun sense: this adjective describes the tiny bits or a noun linked to them, rather than naming the material itself.
常見錯誤
particulate — noun
1. very small bits of matter floating in the air, especially ones that make the air
very small bits of matter floating in the air, especially ones that make the air dirty.
The lab found harmful particulate in the classroom air after the fire.
pattern: particulate in + air
There was so much particulate in the kitchen that Lee coughed.
Particulate from diesel buses darkened the shop signs near the station.
After the window broke, fine particulate floated across Maya's desk.
Rain washed particulate off the leaves beside the busy road.
文法句型
particulate in + air
particulate from + engine/fire
fine/dark particulate
particulate levels
用法筆記
Often used as a mass noun in environmental or scientific writing, especially after words like airborne, fine, diesel, and levels. In everyday speech, many people would simply say dust, smoke, or tiny particles.