ion Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “ion” in the English Dictionary

"ion" in British English

See all translations

ionnoun [C]

us   /ˈaɪ.ən/ specialized
an ​atom or ​smallgroup of ​atoms that has an ​electricalcharge because it has ​added or ​lost one or more electrons
ionic
adjective uk   /aɪˈɒn.ɪk/  us   /-ˈɑː.nɪk/
ionic ​bonding

-ionsuffix

uk   us   /-ən/ (also -ation, also -ition)
added to ​verbs to ​formnounsshowingaction or ​condition: obsession restoration repetition
(Definition of ion from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"ion" in American English

See all translations

ionnoun [C]

 us   /ˈɑɪˌɑn, -ən/
physics, chemistry an ​atom that has a ​positive or ​negativeelectricalcharge as the ​result of ​adding or taking away an ​electron
(Definition of ion from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “ion”
in Spanish ión, ion…
in Vietnamese ion…
in Malaysian ion…
in Thai ไอออน…
in Chinese (Simplified) 离子…
in Indonesian ion…
in Chinese (Traditional) 離子…
What is the pronunciation of ion?
Add Cambridge dictionaries to your browser to your website

“ion” in British English

Word of the Day

float

a large vehicle with a flat surface that is decorated and used in festivals

Word of the Day

Chest pains and palpitations: talking about illness (2)
Chest pains and palpitations: talking about illness (2)
by Liz Walter,
February 03, 2016
My previous post (My leg hurts: Talking about illness (1)) presented some general vocabulary to use at the doctor’s. This one looks at some more specific areas of illness and explains some useful words and phrases that you may need to use or understand on a visit to the doctor’s. There are several

Read More 

farecasting noun
farecasting noun
February 08, 2016
predicting the optimum date to buy a plane ticket, especially on a website or using an app A handful of new and updated websites and apps are trying to perfect the art of what’s known as farecasting – predicting the best date to buy a ticket.

Read More