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

French distiller Pernod Ricard RI 1.56%increase; green up pointing triangle remains upbeat that sales will improve this fiscal year, despite a tough first quarter as drinkers proved restrained in the key U.S. and China markets.

From The Wall Street Journal • Oct. 16, 2025

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

Reclaim RI, a volunteer social and economic justice organization, last year organized Pioneer’s tenants and has held rallies at some properties to highlight the poor conditions.

From Washington Times • Jun. 6, 2023

As to your spelling, let me see, If SHE makes sher, and RI makes ry, Good spelling-master: your crany       has lead in't.

From The Poems of Jonathan Swift, D.D., Volume 2 by Browning, William Ernst