In radiation therapy, a descriptor for high energy radiation above one thousand volts. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
(soo´pәr-vōl″tәj) in radiation therapy, voltage between 500 kilovolts and 1 megavolt, as contrasted with orthovoltage and megavoltage. Found on http://www.encyclo.co.uk/local/21001