Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym SUMS is...

SUMS is

Strengthening Underrepresented Math And Science
Society Of Undergraduate Math Students

More Meanings For SUMS:

Strengthening Underrepresented Math And Science
Society Of Undergraduate Math Students
Standard USAREUR Munitions System
Shuttle Upper-Atmosphere Mass Spectrometer

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