What does RI stand for?

Also known as: RI#

RI stands for various terms. Discover the full forms, meanings, and possible interpretations of RI across different fields and industries.

Rural Institutional

Most Common
Rural Institute
Rural Interstate
Rush Immunotherapy
Medical
Russia Insider
Russian Insider
MediaRussiaRussian
Mandala Airlines
AirlineBusinessBusiness & FinanceIATA Aircraft CodesIATA Airline DesignatorICAO Airline CodeOrganizations
Radiographic Inspection
Refractive Index

(ASTM D 1218) number indicating the angle through which a ray of light is deflected as it passes through a solid or fluid medium; the number that expresses the ratio of the sine of the angle of incidence to the sine of the angle of refraction. Typically used for monitoring water-based fluids or solutions. The ratios of the velocities of light in a medium and in air under the same conditions. Measured by the ratio of the sines of the angles of incidence and refraction.

ChemistryHealthHealthcareMedicalMedicineOrganic syntesisScientific & Educational
Rhode Island
Area codeGeographicGovernmental & MilitaryGpoLegalList of All 50 StatePhone area codePostalRhode IslandScientific & EducationalStateTechnologyTelephone area codeUnited StatesUs area codeUs phone area codesUs state codeWeather

Citation

Did You Mean?

Last updated:

More RI Definitions