1º_ It is a hypocoristic for names like Nicholas or Nicodemus. 2º_ In Spanish 'NICO' is an acronym for "Commercial Identification Number", "Neuralgia Induced by Cavitational Osteonecrosis", . . . 3º_ It also appears as an acronym with development in English as Network Integration Control Organization ("Organization for Network Integration Control"). See Nico .
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