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RI

or R.I.

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abbreviation
Rhode Island (approved especially for use with zip code).
QUIZ
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Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
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In the UK, COTTON CANDY is more commonly known as…

Other definitions for RI (2 of 3)

R.I.1

abbreviation
Queen and Empress.

Origin of R.I.

1
From Latin Rēgīna et Imperātrīx

Other definitions for RI (3 of 3)

R.I.2

abbreviation
King and Emperor.

Origin of R.I.

2
From Latin Rēx et Imperātor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use RI in a sentence

British Dictionary definitions for RI

RI

abbreviation for
Regina et Imperatrix
Rex et Imperator
Rhode Island
Royal Institution
religious instruction
(Republic of) Indonesia (international car registration)

Word Origin for RI

(sense 1) Latin: Queen and Empress (sense 2) Latin: King and Emperor (sense 6) R(epublic of) I(ndonesia)
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
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