Word.ws English Dictionary

RIS

RIS is the initialism of research information system.

RIS is the initialism of radiologic/radiological information system.

RIS is the initialism of reverse image search.

RIS is the initialism of rail interface system or rail integration system.

Meaning of reverse image search

Noun

reverse image search (countable and uncountable, plural reverse image searches)

  1. (Internet) The querying of the origin of an image by inputting the file into a search engine or database.

Noun capitalized: RIs

RIs

  1. (plural) plural of RI

Synonyms of RIS

Forms of RIS

pluralRISs
alternative formR.I.S.
alternative formR. I. S.

Phrases with RIS

Questions about RIS

What is RIS the initialism of?
RIS is the initialism of research information system.
What part of speech is RIS?
RIS is a noun.
What is the plural of RIS?
The plural of RIS is RISs.

Words near RIS in the dictionary

  1. RiRi
  2. RIRO
  3. riroriro
  4. riroriros
  5. RIRs
  6. RIS
  7. RISA
  8. risable
  9. Risako
  10. risala
  11. risalah

Source and license

Adapted from Wiktionary: RIS (page history and authors); RIs (page history and authors); reverse image search (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “RIS.” Word.ws, https://word.ws/ris. Based on Wiktionary, CC BY-SA 4.0.