noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Initialism of research information system. abbreviation, alt-of, initialism
2. 2
   plural of RI form-of, plural
3. 3
   Initialism of radiologic/radiological information system. abbreviation, alt-of, initialism
4. 4
   Initialism of reverse image search. Internet, abbreviation, alt-of, initialism
5. 5
   Initialism of rail interface system or rail integration system. abbreviation, alt-of, initialism

Synonyms

All synonyms

ras