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  • RI
    RI
    abbreviation
    Rhode Island (approved especially for use with zip code).
  • R.I.
    R.I.
    abbreviation
    Queen and Empress.

RI

1 American  
Or R.I.

abbreviation

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


R.I. 2 American  

abbreviation

  1. Queen and Empress.


R.I. 3 American  

abbreviation

  1. King and Emperor.


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)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of R.I.2

From Latin Rēgīna et Imperātrīx

Origin of R.I.3

From Latin Rēx et Imperātor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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

He was endorsed by gun safety groups, the RI AFL-CIO and other large unions.

From Seattle Times Nov. 8, 2022

GAR' RI SON, fortress furnished with soldiers, for defense.

From Sanders' Union Fourth Reader by Sanders, Charles W.

Yoshiko Rivas Johnson, a 21-year-old in Hope Valley, R.I., didn’t spot the announcement until a day after the bloom.

From The Wall Street Journal Jul. 10, 2026

To save money, the four shared one motel room outside of Manhattan in Sussex, N.J, for about $100 a night, and have planned similar accommodations as they travel to Providence, R.I.

From MarketWatch Jun. 24, 2026

Mahan graduated the Naval Academy in 1859 and, after an undistinguished career at sea, led the Naval War College in Newport, R.I.

From Barron's Jun. 5, 2026

Hood and thousands of other Scotland supporters were so shocked by the cost of accommodation in Boston that they booked rooms in Providence, R.I.

From The Wall Street Journal May 30, 2026

N.H.; 2d, Mass.; 3d, R.I.; 4th, Conn.; 5th, N.Y.; 6th, N.J.; 7th, Penn.; 8th, Del.; 9th, Md.; 10th, Va.; 11th, N.C; 12th, S.C; 13th, Geo.; for each of the thirteen independent States of America.

From The Galaxy, May, 1877 Vol. XXIII.—May, 1877.—No. 5. by Various

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