hepatitis c definition
Definition of HEPATITIS C. : a hepatitis caused by a flavivirus (species Hepatitis C virus of the genus Hepacivirus) that tends to persist in the blood serum and is usually transmitted by contact with infected blood (as by transfusion or by illicit intravenous drug use).ADVERTISEMENT. a hepatitis caused by a flavivirus (species Hepatitis C virus of the genus Hepacivirus) that tends to persist in the blood serum and is usually transmitted by contact with infected blood (as by transfusion or by illicit intravenous drug use). ADVERTISEMENT.