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RI

proper nounnounnouncommon in dialogue

rex imperator (“king-emperor”) or regina imperatrix (“queen-empress”); the initials by which a British monarch signed documents after his or her name from 1877 until 1947.

proper noun

  1. 1

    Variant of Rhode IslandInitialism of Rhode Island: a state of the United States.

  2. 2

    Variant of RiauAbbreviation of Riau: a province of Indonesia.

  3. 3

    Variant of Raffles InstitutionInitialism of Raffles Institution.

    He's illiterate […] Seriously, how did he get into RI?

noun

  1. 1

    Variant of radioisotopeInitialism of radioisotope.

  2. 2

    Variant of radio interferenceInitialism of radio interference.

noun

  1. 1

    rex imperator (“king-emperor”) or regina imperatrix (“queen-empress”); the initials by which a British monarch signed documents after his or her name from 1877 until 1947.

Forms

plural
RIs
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).