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authentication (EN)
sustantivo

sustantivo “authentication”

sing. authentication, pl. authentications o no contable
  1. autenticación
    The system requires authentication before you can log in.
  2. verificación (de autenticidad)
    They needed authentication of the documents before proceeding.
  3. sello de autenticidad
    The antique silverware had an authentication engraved on the handle.