Jump To:

• 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).

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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

"This work yields an important finding that an increasing threat of RI in coastal regions has occurred in the preceding decades, which may continue under a future warming climate."

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

The software was created by Electronic Book Technologies of Providence, RI, and is called Dynatext.

From Library of Congress Workshop on Etexts by Library of Congress