1
n. (countable) a particulate / particulates
particulate 作名词时可数，常用复数 particulates，指悬浮在空气或液体中的微粒。
A single particulate is too small to see with the naked eye.
单个微粒小到肉眼看不见。
微粒；颗粒物
先理解核心含义，再看它在真实句子里的用法。
微粒；颗粒物
a small discrete mass of solid or liquid matter that remains individually dispersed in gas or liquid emissions, often considered an atmospheric pollutant
A single particulate is too small to see with the naked eye.
单个微粒小到肉眼看不见。
处于细分状态的任何固体或液体,尤其具有在块体材料中可忽略的特殊性质者。
Any solid or liquid in a subdivided state, especially one that exhibits special characteristics which are negligible in the bulk material.
The air monitor showed a high level of particulates after the dust storm.
沙尘暴过后，空气监测仪显示颗粒物浓度很高。
A single particulate of paint entered the worker's eye.
一粒油漆微粒溅进了工人的眼睛。
Particulate pollution is especially dangerous for children and the elderly.
颗粒物污染对儿童和老人尤其危险。
particulate 作名词时可数，常用复数 particulates，指悬浮在空气或液体中的微粒。
A single particulate is too small to see with the naked eye.
单个微粒小到肉眼看不见。
particulate 作形容词时通常用在名词前作定语；particulate matter（颗粒物）是最常见的搭配。
Particulate matter can cause respiratory problems.
颗粒物会导致呼吸系统问题。
Not this
The air contains many particulate.
Use this
The air contains many particulates.
名词 particulate 是可数名词，意为“微粒/颗粒物”；在 many 后应用复数形式 particulates，不能用单数且无冠词的形式。
Not this
This is a particulates filter.
Use this
This is a particulate filter.
修饰名词 filter 时要用形容词 particulate（颗粒的），不能用名词复数 particulates 作定语；形容词作定语时保持单数形式。
Not this
Particulate matters are harmful to health.
Use this
Particulate matter is harmful to health.
固定搭配 particulate matter（颗粒物）中，matter 是不可数名词，不能加 -s；谓语动词用第三人称单数 is 与单数主语一致。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
颗粒物
The lab measures levels of particulate matter in the air.
实验室测量空气中的颗粒物水平。
空气中的颗粒物
Airborne particulates can cause respiratory problems.
空气中的颗粒物会引起呼吸系统问题。
柴油颗粒物
Diesel particulates are a major source of urban air pollution.
柴油颗粒物是城市空气污染的主要来源。
颗粒物污染
Particulate pollution worsens on calm winter days.
在无风的冬日，颗粒物污染会加剧。
细颗粒物
Fine particulates can penetrate deep into the lungs.
细颗粒物能深入肺部。
颗粒物过滤器
The car is fitted with a particulate filter to reduce emissions.
这辆车安装了颗粒物过滤器以减少排放。
Use particulate naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
particulate 像 particle（颗粒）+ ate，联想“吃进颗粒”的悬浮微粒，如 PM2.5。
语域：formal 常见场景：environmental science、air quality monitoring 作名词（微粒/颗粒物）和形容词（微粒的）都多用于科学或技术性书面语，如环境科学、空气质量报告和化学文献；日常口语中更常说 particle/颗粒。正式语境中比较常见。
没有常见词与 particulate /pəˈtikjulit/ 完全押韵。列出的词主要是拼写相近：articulate /ɑːrˈtɪkjələt/ 虽与 particulate 同有 -ticulate，但其中 -ticulate 读 /tɪkjələt/，而 particulate 读 /tɪkjulɪt/；speculate、formulate、accumulate 的 -ulate 读 /jəleɪt/；separate 作形容词时 -ate 读 /ət/。发音时注意不要按拼写把 particulate 的 -ulate 读成 /jəleɪt/。
Dictionary facts from ECDICT, WIKTIONARY.