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ROI

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ROI¹

noun ROIs

  1. abbreviation, initialism Initialism of return on investment
  2. abbreviation, initialism Initialism of region of interest, in digital images, microscopy: in 3-dim-specimen reconstructions by consecutive sectioning.
  3. abbreviation, initialism Initialism of region of interest
  4. abbreviation, initialism Initialism of radius of influence
  5. abbreviation, initialism Initialism of release of information
  6. abbreviation, initialism Initialism of route of administration

proper noun

  1. abbreviation, initialism Initialism of Republic of Ireland

RoI²

proper noun

  1. abbreviation, initialism Initialism of Republic of Ireland

Roi³

  • /ˈɹɔɪ/

Sounds like Roy

Where it comes from

From Marshallese Ruot.

proper noun

  1. Roi islet, Kwajalein atoll, Marshall Islands.

Thesaurus

Closest in meaning: ihr, icr, rci, isr, dir, irs, profit, affordability, investment, mep, profitability, profitable, ruler, monarch, liege, king

Translations

Every language

noun return on investment — see also return on investment

EspañolRSI, ROI
FrançaisROI

noun region of interest (in digital images, microscopy: in 3-dim-specimen reconstructions by consecutive sectioning)

中文感興趣區域 /感兴趣区域, 感興趣區 /感兴趣区, ROI

Talk about this word

Cite this
MLA

"ROI." Wiktionary, via Micwyn, micwyn.com/word/roi. Accessed 6 Nov. 2026.

APA

ROI. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/roi

Chicago

"ROI." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/roi.

BibTeX
@misc{roi_2026,
  title = {ROI},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/roi},
  urldate = {2026-11-06}
}