RI

¹ American  

Or R.I.

abbreviation

1. Rhode Island (approved especially for use with zip code).

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R.I. ² American  

abbreviation

1. Queen and Empress.

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R.I. ³ American  

abbreviation

1. King and Emperor.

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RI British  

abbreviation

1. Regina et Imperatrix

2. Rex et Imperator

3. Rhode Island

4. Royal Institution

5. religious instruction

6. (Republic of) Indonesia (international car registration)

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Etymology

Origin of R.I.²

From Latin Rēgīna et Imperātrīx

Origin of R.I.³

From Latin Rēx et Imperātor

Example Sentences

Pernod Ricard RI -3.61%decrease; red down pointing triangle said it is focused on cost-control after weakening sales in the U.S. and Chinese markets bit into the distiller’s earnings.

From The Wall Street Journal • Feb. 19, 2026

Key to the whole operation were the intense streams of radioactive isotopes produced by the Riken RI Beam Factory in Wako, Japan.

From Scientific American • Aug. 31, 2023

Although RI events are notoriously unpredictable, experts certainly see climate change as warming the oceans to an extent that is dangerous when it comes to possible future storms.

From Salon • Aug. 30, 2023

“Tenants, suffering from atrocious conditions amid skyrocketing rents, organized together and fought back,” Reclaim RI tenant organizer Shana Crandell said in a statement.

From Washington Times • Jun. 6, 2023

RI is the comprehension of the flash of fire, which in MER giveth a clear sound and tune.

From A Budget of Paradoxes, Volume II by Smith, David Eugene