1
: of, relating to, existing as, or characterized by ions
ionic gases
the ionic charge
2
: based on or functioning by means of ions
ionic conduction
1
: of or relating to the ancient Greek architectural order distinguished especially by fluted columns on bases and scroll volutes in its capitals see order illustration
2
: of or relating to Ionia or the Ionians

Ionic

3 of 3

noun

: a dialect of ancient Greek spoken especially in Ionia and the Cyclades

Examples of ionic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
The researchers are focusing on organic mixed ionic-electronic conducting polymers. Rupendra Brahambhatt, Interesting Engineering, 5 Sep. 2026 This affordable hair dryer has ionic technology that helps guard against heat damage and reduce frizz. Bestreviews, Mercury News, 2 Sep. 2026
Adjective
Which is better, an ionic hair dryer or an infrared hair dryer? Alanna Martine Kilkeary, Glamour, 12 May 2026 Revlon hot airbrush The Revlon One-Step Hair Dryer and Hot Air Brush leverages advanced ionic technology to create high-volume, frizz-free styles. Bestreviews, Mercury News, 5 May 2026
Noun
Don’t miss out on the Anne Betty Ionic Hair Dryer, which comes with a nozzle attachment and diffuser. Isabel Garcia, PEOPLE, 25 Oct. 2025 People who purchased the curling irons are urged to contact Bio Ionic to register for a free replacement curling iron. Matthew Robinson, MSNBC Newsweek, 24 Oct. 2025 See All Example Sentences for ionic

Word History

Etymology

Adjective (1)

ion + -ic entry 1

Adjective (2)

Latin & Middle French; Middle French ionique, from Latin ionicus, from Greek iōnikos, from Iōnia Ionia

First Known Use

Adjective (1)

1890, in the meaning defined at sense 1

Adjective (2)

1585, in the meaning defined at sense 1

Noun

1668, in the meaning defined above

Time Traveler
The first known use of ionic was in 1585

Browse Nearby Words

Cite this Entry

“Ionic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ionic. Accessed 19 Sep. 2026.

Kids Definition

ionic

1 of 2 adjective
: of, relating to, or existing in the form of ions

Ionic

2 of 2 adjective
Ion·​ic
ī-ˈän-ik
: belonging to or resembling a style of Greek architecture characterized especially by decoration resembling scrolls in the capitals of its columns

Medical Definition

1
: of, relating to, existing as, or characterized by ions
ionic gases
the ionic charge
2
: based on or functioning by means of ions
ionic conduction
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