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• IA
  IA

  abbreviation

  Iowa (approved especially for use with zip code).
• -ia
  -ia

  a noun suffix having restricted application in various fields, as in names of diseases (malaria; anemia ), placenames (Italia; Romania ), names of Roman feasts (Lupercalia ), Latin or Latinizing plurals (Amphibia; insignia; Reptilia ), and in other loanwords from Latin (militia ).
• Ia.
  Ia.

  abbreviation

  Iowa.
• i.a.
  i.a.

  abbreviation

  in absentia.

IA

¹ American  

abbreviation

1. Iowa (approved especially for use with zip code).

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-ia ² American  

1. a noun suffix having restricted application in various fields, as in names of diseases (malaria; anemia ), placenames (Italia; Romania ), names of Roman feasts (Lupercalia ), Latin or Latinizing plurals (Amphibia; insignia; Reptilia ), and in other loanwords from Latin (militia ).

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Ia. ³ American  

abbreviation

1. Iowa.

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i.a. ⁴ American  

abbreviation

1. in absentia.

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-ia ¹ British  

suffix

1. occurring in place names

   Albania

   Columbia

2. occurring in names of diseases and pathological disorders

   pneumonia

   aphasia

3. occurring in words denoting condition or quality

   utopia

4. occurring in names of botanical genera

   acacia

   poinsettia

5. occurring in names of zoological classes

   Reptilia

6. occurring in collective nouns borrowed from Latin

   marginalia

   memorabilia

   regalia

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Ia. ² British  

abbreviation

1. Iowa

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Etymology

Origin of -ia

From New Latin, Latin, Greek, equivalent to -i- (formative or connective) or -ī- ( Greek -ei- ) + -a, feminine singular or neuter plural noun or adjective ending

Example Sentences

See Examples For:

IA -ia Ia. i.a.

"That would be a catastrophe. He's going to be so furious," Aqqaluk Lynge, a founder of IA, said of Trump.

From Barron's ● Mar. 8, 2026

In the same way IA would stand for the current in the filament circuit.

From Letters of a Radio-Engineer to His Son by Mills, John

Whence it is evident that this wave of semi-diameter mn, and the other of semi-diameter IA will have the same tangent BA.

From Treatise on Light by Huygens, Christiaan

If a statement is marked IA, apparently it is both primary and secondary, clearly an impossibility.

From Practical Argumentation by Pattee, George K.

The IA version itself lacks two of the illustrations found in this copy: Grumpy Nearly Catches Paddy Muskrat and Grumpy Calls on Mrs. Hen.

From The Tale of Grumpy Weasel Sleepy-Time Tales by Smith, Harry L.

Facialium -ia: Diptera; that portion of the face between the lower part of the frontal fissure and the antennal fovea.

From Explanation of Terms Used in Entomology by Smith, John. B.

Longicorn -ia: having the antennae as long or longer than the body; specifically the Cerambycid beetles.

From Explanation of Terms Used in Entomology by Smith, John. B.

Ommatidium -ia: one of the elements of which the compound eye is composed.

From Explanation of Terms Used in Entomology by Smith, John. B.

Stadium -ia: the interval between the molts of larvae:= instar q.v.: any one period in the development of an insect.

From Explanation of Terms Used in Entomology by Smith, John. B.

Mastigium -ia: telescopic anal organs in certain caterpillars, serving to repel attacks of parasites.

From Explanation of Terms Used in Entomology by Smith, John. B.

Sergeant Donald Broe, of Waterloo, Ia., proudly waited to drive the General behind the four-starred flag on the hood.

From Time Magazine Archive

College athletes last week congregated in two places—westerners in Des Moines, Ia., for the annual Drake Relay Carnival; easterners on Franklin Field, Philadelphia, for the annual Penn Relays.

From Time Magazine Archive

Dubuque, Ia., is a metropolis which has long been held up to derision by popular sophists.

From Time Magazine Archive

Religious Mediævalism in America.—Twelve miles from Dubuque, Ia., there stands in grim isolation, upon a blackened and desolate prairie, a monastery of the fifteenth century pattern.

From Buchanan's Journal of Man, March 1887 Volume 1, Number 2 by Buchanan, Joseph R. (Joseph Rodes)

Shaw put up checks, but the young man didn't know me, so I had to go back to Walker, Ia., and draw my $2,500.

From News Writing The Gathering , Handling and Writing of News Stories by Spencer, M. Lyle (Matthew Lyle)

A substance naturally occurring in i.a. pomegranates, strawberries and walnuts can improve memory and treatment of Alzheimer's disease, a new study conducted at the University of Copenhagen concludes.

From Science Daily ● May 22, 2024

The researchers still don't know how much urolithin A is needed to improve memory and alleviate symptoms of i.a.

From Science Daily ● May 22, 2024