RIS

acronym: reflector in space (laser beam adsorption, measures O3, CFCs, etc.)
Found on http://cdiac.ornl.gov/pns/acronyms.html#R

RIS

acronym: retroreflector in space
Found on http://cdiac.ornl.gov/pns/acronyms.html#R

RIS

Remote Installation Services, details ...
Found on http://www.cryer.co.uk/glossary/r/index.htm

RIS

Radiology Information System
Found on http://www.encyclo.co.uk/local/20895

RIS

Regulatory Information Service (RIS) – which ensures that information from listed and AIM companies, and certain other bodies, is disseminated to all subscribers (such as major information vendors) at the same time for onward transmission to the market.
Found on http://www.londonstockexchange.com/global/glossary/r.htm

Ris

Ris noun [ Anglo-Saxon hrīs ; akin to Dutch rils , German reis , Old High German hrīs .] A bough or branch; a twig. [ Obsolete] « As white as is the blossom upon the ris Chaucer.
Found on http://www.encyclo.co.uk/webster/R/85

Ris

• (n.) A bough or branch; a twig.
Found on http://thinkexist.com/dictionary/meaning/ris/

RIS

Rig Instrumentation System
Found on http://www.iodp.org/acronyms/

RIS

[file format] RIS is a standardized tag format developed by Research Information Systems, Incorporated (the format name refers to the company) to enable citation programs to exchange data. It is supported by a number of reference managers. Many digital libraries, like IEEE Xplore, Scopus, the ACM Portal, Scopemed, ScienceDirect, and Springe...
Found on http://en.wikipedia.org/wiki/RIS_(file_format)

RIS

Rangelands Information System (previous name of RKMIS).
Found on http://www.ifad.org/lrkm/glossary.htm

RIS

Russian imperial stout
Found on http://www.thehomebrewforum.co.uk/glossary.php

RIS

Rail Interface System
Found on http://www.translationdirectory.com/glossaries/glossary262.php
No exact match found