electron Definition in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “electron” - English Dictionary

"electron" in American English

See all translations

electronnoun [C]

 us   /ɪˈlek·trɑn/
physics, chemistry the part of an atom with a negative electrical charge, which moves around the atom's nucleus (= central part)
(Definition of electron from the Cambridge Academic Content Dictionary © Cambridge University Press)

(Definition of electron from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “electron”
in Vietnamese điện tử…
in Spanish electrón…
in Malaysian elektron…
in Thai อิเล็กตรอน…
in French électron…
in German das Elektron…
in Chinese (Traditional) 電子…
in Russian электрон…
in Turkish elektron…
in Chinese (Simplified) 电子…
in Indonesian elektron…
in Polish elektron…
What is the pronunciation of electron?
Add Cambridge dictionaries to your browser to your website

More meanings of “electron”

A blazing row: words and phrases for arguing and arguments
A blazing row: words and phrases for arguing and arguments
by ,
May 04, 2016
by Kate Woodford We can’t always focus on the positive! This week, we’re looking at the language that is used to refer to arguing and arguments, and the differences in meaning between the various words and phrases. There are several words that suggest that people are arguing about something that is not important. (As you might

Read More 

Word of the Day


(especially in stories) a vehicle used for travel in space

Word of the Day

trigger warning noun
trigger warning noun
May 02, 2016
a warning that a subject may trigger unpleasant emotions or memories This is not, I should stress, an argument that trigger warnings should become commonplace on campus.

Read More