Source:http://linkedlifedata.com/resource/umls/id/C0439228
NCI: The time for Earth to make a complete rotation on its axis; ordinarily divided into twenty-four hours. This also refers to a specific day. (NCI),NCI: The time for Earth to make a complete rotation on its axis; ordinarily divided into twenty-four hours, equal to 86 400 seconds. This also refers to a specific day.,HL7V3.0: <p>24 h</p>