Meanings
plural IRs
- abbreviationcountableinitialismuncountableaeronauticsInitialism of inertial reference.
The pilot checked the IR system before takeoff.
- abbreviationcountableinitialismuncountablebusinessInitialism of industrial relations.
She is studying IR as part of her business degree.
- abbreviationcountableinitialismuncountablebusinessInitialism of investor relations.
The company’s IR team held a quarterly earnings call.
- abbreviationcountableinitialismuncountablemachine learningInitialism of information retrieval.
Search engines rely on advanced IR techniques.
- abbreviationcountableinitialismuncountablecomputingInitialism of intermediate representation.
The compiler translated the code into LLVM IR.
- abbreviationcountableinitialismuncountablegovernmentInitialism of incident report.
The officer filed an IR after the accident.
- abbreviationcountableinitialismuncountablemedicineInitialism of immediate release.
The doctor prescribed an IR tablet for quick pain relief.
Antonyms: XR
- abbreviationcountableuncountablenatural sciencesAbbreviation of infrared.
The camera detects IR light beyond the visible spectrum.
- abbreviationcountableinitialismuncountablenatural sciencesInitialism of infrared radiation.
IR blaster
2 more examples
Scientists measured levels of IR radiation.
IR communication
- abbreviationcountableinitialismuncountablegovernmentInitialism of international relations.
She is majoring in IR at university.
- abbreviationcountableinitialismuncountablehobbiesInitialism of injured reserve.
The player was placed on IR for the remainder of the season.
- abbreviationcountableinitialismuncountabledisability sportInitialism of indoor rowing.
He competes in IR events at the Paralympics.
- abbreviationcountableinitialismrareuncountableOhioInitialism of interstate route.
We drove on an IR through rural Ohio.
- abbreviationinitialismnot comparableInitialism of interracial.
The site featured an IR category for interracial content.
Synonyms & antonyms
More synonyms by meaning
nouna board of the British government that administers and collects major direct taxes
nouna heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
IR. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/IR
“IR.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/IR. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “IR,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/IR.
Source: IR on Wiktionary, CC BY-SA 4.0.