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ion

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noun \ˈī-ən, ˈī-ˌän\

Simple Definition of ion

  • : an atom or group of atoms that has a positive or negative electric charge from losing or gaining one or more electrons

Source: Merriam-Webster's Learner's Dictionary

Full Definition of ion

  1. 1 :  an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons

  2. 2 :  a charged subatomic particle (as a free electron)

Origin of ion

Greek, neuter of iōn, present participle of ienai to go — more at issue


First Known Use: circa 1834

Other Chemical Engineering Terms

Rhymes with ion


Ion

abbreviation

Definition of Ion

  1. Ionic




-ion

noun suffix

Simple Definition of -ion

  • : act or process

  • : result of an act or process

  • : state or condition

Source: Merriam-Webster's Learner's Dictionary

Full Definition of -ion

  1. 1 a :  act or process <validation> b :  result of an act or process <regulation>

  2. 2 :  state or condition <hydration>

Origin of -ion

French -ion, from Latin -ion-, -io


ION Defined for Kids

ion

play
noun \ˈī-ən, ˈī-ˌän\

Definition of ion for Students

  1. :  an atom or group of atoms that carries an electric charge




-ion

noun suffix

Definition of -ion for Students

  1. 1 :  act or process <construction>

  2. 2 :  result of an act or process <regulation> <eruption>

  3. 3 :  state or condition <perfection>




Medical Dictionary

noun \ˈī-ən, ˈī-ˌän\

Medical Definition of ion

  1. 1:  an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons—see anion, cation

  2. 2:  a charged subatomic particle (as a free electron)




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