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ROI or Roi may refer to:


As an abbreviation

  • Reactive oxygen intermediates, in Immunology (Biology)
  • Region of interest, for example in image analysis or image processing
  • Release of Information, in Health Information Management
  • Republic of Ireland
  • Republic of India
  • Residue on ignition, in analytical chemistry
  • Return on Investment, in accounting and finance
  • Roma Civic Initiative (Romská občanská iniciativa), a Roma political party, based in Slovakia.
  • Russian Olympiad in Informatics, an annual informatics competition for secondary school students in Russia

A Region of Interest, often abbreviated ROI, is a selected subset of samples within a dataset identified for a particular purpose. ... Release of Information (ROI) is a department or division that is found in virtually every hospital. ... In finance, the return on investment (ROI) or just return is a calculation used to determine whether a proposed investment is wise, and how well it will repay the investor. ... The Roma Civic Initiative (Romská občanská iniciativa - ROI) is a Roma minority political party, now based in Slovakia. ...

As a place name

Roi-Namur is an island in the northern part of the Kwajalein atoll in the Marshall Islands. ... ... Roi Et (Thai ร้อยเอ็ด) is one of the provinces (changwat) of Thailand, located in the North-East of Thailand. ...

As a person's name

  • Antoine Rigaudeau, French basketball player, nicknamed "Le Roi" ("the King")
  • Roi Klein, an Israeli Defense major

Antoine Rigaudeau (born December 17, 1971 in Cholet), nicknamed Le Roi (The King), is a French professional basketball player. ... Roi Klein (Hebrew: רועי קליין) (pronounced Ro-ee Klein) (1975-July 26 2006) born in Raanana, Israel was a Major in the Golani Brigade of the Israeli Defense Forces. ...


The Breeders are an American rock band, formed in 1977 as a folk rock duo featuring twin sisters Kim and Kelley Deal of Dayton, Ohio which played country covers at truck stops and bars and dissipated in the early 80s, only to be revived as a side project in... USS Roi (CVE-103), originally MC hull 1140 and later projected as an AVG and an ACV, was laid down as Alava Bay (CVE-130) on 22 March 1944 by Kaiser Shipbuilding Co. ...

See Also

Look up Roi in
Wiktionary, the free dictionary.

  Results from FactBites:
Rate of return - Wikipedia, the free encyclopedia (3014 words)
ROI is the return on a past or current investment, or the estimated return on a future investment.
However, ROI is most often stated as an annual or annualized rate of return, and it is most often stated for a calendar or fiscal year.
ROI is a measure of cash (or potential cash) generated by an investment, or the cash lost due to the investment.
Recon/Optical, Inc. (505 words)
ROI is proud of our history as the longest continuously operating aerial reconnaissance corporation in the world and in being the world’s leading provider of tactical reconnaissance cameras.
ROI is investing millions of dollars in research and development to ensure we continue to grow our product lines to meet the increasing Intelligence, Surveillance and Reconnaissance (ISR) and force protection needs of our U.S. and allied government customers.
ROI is proud of our dedication to providing our customers with the highest possible quality products, and maximum performance for our customer’s investment.
  More results at FactBites »



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