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Meaning of aristo

a•ris•to

Pronunciation: (u-ris'tō), [key]
— pl. -tos.
  1. aristocrat.

aristo-

Pronunciation: [key]
  1. a learned borrowing from Greek meaning “best,” occurring either in direct loans (aristocratic), or in the formation of compound words: aristotype.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.