RSA

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RSA

 (är′ĕs′ā′)
n.
An algorithm used in public key cryptography, commonly used in various protocols for secure online transmission of data.

[From the initial letters of the surnames of its inventors, Ronald Rivest (born 1947), American cryptographer, Adi Shamir (born 1952), Israeli cryptographer, and Leonard Adleman (born 1945), American computer scientist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

RSA

abbreviation for
1. (Placename) Republic of South Africa
2. (Art Terms) Royal Scottish Academy
3. (Art Terms) Royal Scottish Academician
4. (Art Terms) Royal Society of Arts
5. (Military) (in New Zealand) Returned Services Association
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

RSA

Republic of South Africa.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Translations

RSA

[ˌɑːrɛsˈeɪ] n abbr (=Republic of South Africa) → RSA f(= République sud-africaine)
Collins English/French Electronic Resource. © HarperCollins Publishers 2005