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  • IC
  • -ic
    -ic
    a suffix forming adjectives from other parts of speech, occurring originally in Greek and Latin loanwords (metallic; poetic; archaic; public ) and, on this model, used as an adjective-forming suffix with the particular senses “having some characteristics of” (opposed to the simple attributive use of the base noun) (balletic; sophomoric ); “in the style of” (Byronic; Miltonic ); “pertaining to a family of peoples or languages” (Finnic; Semitic; Turkic ).
  • I.C.
    I.C.
    abbreviation
    Jesus Christ.
  • i/c
    i/c
    abbreviation
    in charge (of)
Synonyms

IC

1 American  
  • ICs
    plural
  1. immediate constituent.

  2. Electronics. integrated circuit.

  3. intensive care.


-ic 2 American  
  1. a suffix forming adjectives from other parts of speech, occurring originally in Greek and Latin loanwords (metallic; poetic; archaic; public ) and, on this model, used as an adjective-forming suffix with the particular senses “having some characteristics of” (opposed to the simple attributive use of the base noun) (balletic; sophomoric ); “in the style of” (Byronic; Miltonic ); “pertaining to a family of peoples or languages” (Finnic; Semitic; Turkic ).

  2. Chemistry. a suffix, specialized in opposition to -ous, used to show the higher of two valences.

    ferric chloride.

  3. a noun suffix occurring chiefly in loanwords from Greek, where such words were originally adjectival (critic; magic; music ).


I.C. 3 American  

abbreviation

  1. Jesus Christ.


IC 1 British  

abbreviation

  1. internal-combustion

  2. electronics integrated circuit

  3. text messaging I see

  4. (in transformational grammar) immediate constituent

  5. astrology Imum Coeli: the point on the ecliptic lying directly opposite the Midheaven

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

-ic 2 British  

suffix

  1. of, relating to, or resembling See also -ical

    allergic

    Germanic

    periodic

  2. (in chemistry) indicating that an element is chemically combined in the higher of two possible valence states Compare -ous

    ferric

    stannic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

i/c 3 British  

abbreviation

  1. in charge (of)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of -ic2

Middle English -ic, -ik, from Latin -icus; in many words representing the cognate Greek -ikos (directly or through Latin ); in some words replacing -ique, from French, from Latin -icus

Origin of I.C.3

< Latin I ( ēsus ) C ( hrīstus )


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The company opened a second factory to produce IC substrates in Malaysia in 2024.

From Barron's ● Aug. 23, 2026

Their target was the high-energy neutrino event IC 210922A, which was detected by the IceCube Neutrino Observatory at the South Pole.

From Science Daily ● Jun. 19, 2026

The analyst attributes this to lower losses at subsidiaries Hana Technologies and Power Master Semiconductor and higher sales of its IC divisions.

From The Wall Street Journal ● Jun. 4, 2026

IC: Your answer just now clarified a lot of things for me.

From Los Angeles Times ● Dec. 12, 2025

PA' TRI OT' IC, having love of country.

From Sanders' Union Fourth Reader by Charles W. Sanders

In words belonging to chemistry derivatives in -ic denote the acid containing most oxygen, when more than one is formed: as nitric acid.

From New Word-Analysis by William Swinton

They are given names consisting of the prefix hydro-, the name of the second element present, and the termination -ic.

From An Elementary Study of Chemistry by William McPherson

An acid terminating in -ous forms a salt ending in -ite, and an oxyacid ending in -ic forms a salt ending in -ate.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

If more than two be known, the one inferior in oxygen content has the prefix hypo- and the termination -ous, and the one superior in oxygen content has the prefix per- and the termination -ic.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

Pronounce the -al of adverbs derived from adjectives in -ic or -al.

From The Century Handbook of Writing by Garland Greever

Restrictions due to Covid meant he spent less time at the gym and more online, until Anne gave him a copy of I.C.

From The Wall Street Journal ● Mar. 1, 2026

The Pirates just so happened to be in Los Angeles facing the Dodgers so Bednar, a Pittsburgh native, sent a few cans of I.C.

From Los Angeles Times ● Jul. 10, 2023

Cruz’s mother, referred to in the lawsuit as I.C., is living in a different facility today.

From Seattle Times ● Mar. 8, 2023

“Analysts point out that there were substantive differences between the talking points and what the I.C. actually thought,” the report said, referring to the intelligence community.

From New York Times ● Jan. 8, 2021

I didn' marry for a good while an' den I went to work on de I.C.

From Slave Narratives: a Folk History of Slavery in the United States From Interviews with Former Slaves Mississippi Narratives by Work Projects Administration

Two months went by, during which the O. i/c Records made no further additions to our postbag.

From Punch, or the London Charivari, Volume 153, October 3, 1917 by Various

Think of the kindly interest which prompted the O. i/c Records to insert a form of receipt—"to guard against impersonation."

From Punch, or the London Charivari, Volume 153, October 3, 1917 by Various

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