Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

particle

 
 
/ˈpɑːtɪkl/ noun [C]

Definition

a very small piece of something: particles of dust
a very small part of an atom, for example an electron or a proton
(Definition of particle noun from the Cambridge Learner's Dictionary © Cambridge University Press)

“particle” in other dictionaries

Word of the Day

throw caution to the wind/winds

to do something without worrying about the risk or negative results

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More