Acronyms & Abbreviations

The definition of IR is:

Ice on runway

Idiopathic rhinitis

Igneous Rock

Ileal resection

Ileal reservoir

Illegitimate recombination

Illinois RailNet

Illinois RailNet Incorporated

Illumination rate

Illumination Round

Illustrated Reference

Image Reconstruction

Image Restoration

Image Rotation

Imaginary Root

Imaging radar

Imaging Radiometer

Imidazoline receptor

Imidazoline receptors

Immediate reaction

Immediate reconstruction

Immediate removal

Immediate Reserve

Immediate-release

Immersion Refractometer

Immobility reflex

Immobility response

Immune response

Immune responsiveness

Immunization rate

Immunoreaction

Immunoreactive

Immunoreactive material

Immunoreactive relaxin

Immunoreactivities

Immunoreactivity

Impact Resistance

Impedance rheography

Imperium Romula

Implant removal

Implantation rate

Implementation Rate

Implementation Request

Implementation Resource

Impulse response

In Relation

In Residence

In room

In-Route

Inactive renin

Inception Rate

Incest Resources

Incidence Rate

Incidence rates

Incident recall

Incident Record

Incident Reduction

Incident Report

Incident Response

Incident review

Income Report

Incomplete Repair

Incomplete response

Incomplete revascularization

Increase of K

Increased risk

Incremental Reactivity

Incremental Redundancy

Independent Research

Independent Review

Index of reactivity

Index of response

Index register

Index Reservoir

Individual reaction

Induced Radiation

Induced Radioactivity

Inductive Resistor

Industrial Readiness

Industrial Relations

Industrial Research

Industrial Robot

Inertial Reference

Inertial Resistance

Infa-Red

Infection rate

Infection rates

Inferior rectus

Inferior rectus muscle

Inflatable Restraint

Inflow resistance

Informal Report

Information rate

Information Ratio

Information Recording

Information Release

Information request

Information Requirement

Information requirements

Information Research

Information Resources

Information Retreival

Information Retrevial

Information Retrieval

Infra Red

Infra-Red

Infrared

Infrared absorption

Infrared light

Infrared Radar

Infrared radiation

Infrared receiver

Infrared spectra

Infrared spectrometry

Infrared spectrophotometry

Infrared spectroscopy

Infrared spectrum

Infrarenal

Ingersoll Rand

Ingersoll-Rand

INGERSOLL-RAND CO.

Ingersoll-Rand Company

Ingestion rate

Ingress Router

Inhalation Rate

Inherent Reasonableness

Inherited Runners

Inhibition rate

Inhibitor-resistant

Inhibitory receptors

Init Received

Initial Radiation

Initial Report

Initial response

Initiation Received

Initiation Region

Injection Refining

Injury

Inland Revenue

Inner Roll

Innervation ratio

Input Ready

Input resistance

Inquiry Response

Insecticide-resistant

Inside radius

Insoluble Residue

Inspection Records

Inspection Report

Inspection Routine

Inspiratory reserve

Inspiratory resistance

Installation Restoration

Installation/Relocation

Instant rebate

Instant release

Instantaneous Relay

Institutional repository

Institutional Research

Instruction Register

Instructor's Resources

Instrument Rack

Instrument Rating

Instrument reading

Insulation resistance

Insulin receptor

Insulin receptors

Insulin release

Insulin resistance

Insulin Resistant

Insulin-immunoreactive

Insulin-requiring

Insulin-resistant

Insurance Regulation

Intake ratio

Integrated Research

Integrated Resort

Integrated Resource

Integration region

Integration Repository

Integration Robust

Intelligence Information Report

Intelligence Ratio

Intelligence Request

Intelligence requirement

Intelligence requirements

Intelligent Robot

Intentional replantation

Inter racial

Inter-repeat

Interaction ratio

Interagency Report

Interbay

Interchangeability and Replaceability

Interdigitating reticulum

Interest Rate

Interface Repository

Interference Refractometer

Interference Refractometry

Intergenic region

Interim Report

Intermediate

Intermediate Reach

Intermediate Reactor

Intermediate Rear

Intermediate Register

Intermediate representation

Intermediate resonance

Intermediate Result

Intermediate Risk

Internal

Internal Reflectance

Internal Reflection

Internal Release

Internal repeat

Internal Representation

Internal Resistance

Internal Review

Internal rotation

Internasjonal Reporter

International Rectifier

International Relations

International Rendezvous

International Representative

International Review

Internet Registry

Internet Researcher

Internet Router

Internetwork Router

Interoffice Receiver

Interpretation Report

Interpretive Releases

Interpretive Ruling

Interregional Research

Interrelated

Interrogator Response

Interrogator-Responder

Interrupt redirection

Interrupt Register

Interrupt Request

Interrupt Routines

Interruption Reporting

Interstate Regulations

Interventional Radiology

Intestinal reperfusion

Intracellular receptor

Intracellular Receptors

Intracoronary radiation

Intrarectal

Intrarenal

Intraruminal

Intrinsic religiosity

Intrinsic Resistance

Invention report

Inverse Reaction

Inversion recovery

Inverted repeat

Inverted repeat sequences

Inverted repeats

Investigation Report

Investigation Request

Investment Reserves

Investor Relations

Invitation Request

Invoice Receipt

Inward rectifier

Inwardly rectifying

Inwardly rectifying K+ current

Inwardly rectifying potassium current

Ionising radiation

Ionizing radiation

Ionizing radiations

Ionomeric resin

Iran

Iran Air

Ireland

Iridium

Irish

Irish Republic

Iron reserves

Irradiated

Irradiation

Irregular

Irregular regeneration of hepatocytes

Irrigated Rice Ecosystem

Irrigation

Irritant reaction

Ischaemia-reperfusion

Ischemia and reperfusion

Ischemia-reperfusion

Ischemia/30 min reperfusion

Ischemic region

Islamic Relief

Islamic Republic of Iran

Isolated rearing

Isolated run

Isolation Router

Isomeroreductase

Isoprene Rubber

Isoprene Rubbers

Isoprene Rule

Isothermal Reaction

Isotope ratio

Isovolumic relaxation

Item Record

Item Reduction

Iterative reconstruction

Iterative Refinement

Ivestor Relations