# DSI

> English word · Noun · IPA /diː ɛs aɪ/ · frequency rank #47,027

## Definitions
1. Initialism of diffused surface illumination.
2. Initialism of digital sequence information.
3. Initialism of diverterless supersonic inlet

## Etymology
Abbreviation.

## Easily confused with
- **DT** (https://plainspell.com/en/vs/dsi-vs-dt)
- **dw** (https://plainspell.com/en/vs/dsi-vs-dw)
- **Dx** (https://plainspell.com/en/vs/dsi-vs-dx)
- **DV** (https://plainspell.com/en/vs/dsi-vs-dv)
- **dy** (https://plainspell.com/en/vs/dsi-vs-dy)
- **due** (https://plainspell.com/en/vs/dsi-vs-due)
- **DVD** (https://plainspell.com/en/vs/dsi-vs-dvd)
- **duo** (https://plainspell.com/en/vs/dsi-vs-duo)
- **dug** (https://plainspell.com/en/vs/dsi-vs-dug)
- **dye** (https://plainspell.com/en/vs/dsi-vs-dye)
- **dub** (https://plainspell.com/en/vs/dsi-vs-dub)
- **duh** (https://plainspell.com/en/vs/dsi-vs-duh)
- **DUI** (https://plainspell.com/en/vs/dsi-vs-dui)
- **dun** (https://plainspell.com/en/vs/dsi-vs-dun)
- **dum** (https://plainspell.com/en/vs/dsi-vs-dum)
- **DSM** (https://plainspell.com/en/vs/dsi-vs-dsm)
- **dup** (https://plainspell.com/en/vs/dsi-vs-dup)
- **dud** (https://plainspell.com/en/vs/dsi-vs-dud)
- **DSP** (https://plainspell.com/en/vs/dsi-vs-dsp)
- **DSL** (https://plainspell.com/en/vs/dsi-vs-dsl)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/dsi