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su-

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  1. variant of sub- before sp: suspect.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for su

SU

abbreviation for
  1. strontium unit
  2. Belarus (international car registration)
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Word Origin

(sense 2) From S(oviet) U(nion)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012