megavoltage

In radiation therapy, a term for voltage above one million volts.

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mega·volt·age -.vōl-tij n, often attrib voltage greater than one megavolt <the use of \megavoltage radiotherapy in carcinoma of the lung (J. J. Stein)>

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mega·vol·tage (megґə-vōl″təj) in radiotherapy, voltage greater than 1 megavolt. Cf. orthovoltage and supervoltage.

Medical dictionary. 2011.

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