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What does A-R stand for?

showing only Science & Medicine definitions (Show all)

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Rank Abbr.Meaning
ARAmateur Radio
ARActive Region (sunspot observation)
ARAction Research
ARAnnual Rate
ARAspect Ratio
ARAcoustic Research (loudspeaker manufacturer)
ARAndrogen Receptor
ARAntibiotic Resistance
ARAllergic Rhinitis
ARAutosomal Recessive (genetics; recessive gene on one of the 23 pairs of autosomes)
ARAdverse Reaction
ARArtificial Respiration (aka artificial resuscitation)
ARAntimicrobial Resistance
ARAtmospheric Research
ARAortic Regurgitation (aortic insufficiency)
ARAnal Retentive
ARAir Resistance
ARArea Ratio
ARAttributable Risk
ARAldose Reductase
ARAcute Rejection
ARAngle Resolved
ARAge Regression
ARAtrophic Rhinitis (pig respiratory disease)
ARAxial Ratio
ARActivity Ratio
ARApproximate Reasoning
ARAcetal Resin
ARAdvanced Reactor
ARAcoustic Reflex
ARAir Revitalization
ARArtificial Resuscitation
ARAbsorber Rod
ARArchival Researcher
ARAtmospheric Revitalization
ARAvance-Retard (French)
ARAuscultacion Respiratoria (Spanish: Respiratory Auscultation)
ARArgonne Area Office (US DOE)
ARAdaptive Reception Control
ARAgonist Reversal (PNF technique)
A-RAttention Span-Restlessness
A-RAlcohol and Repeated Performance
ARAcid Reflux
ARAdrenergic Receptor (protein)
ARAutomated Reasoning

showing only Science & Medicine definitions (show all 210 definitions)

Note: We have 156 other definitions for A-R in our Acronym Attic