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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.

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

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