quench(redirected from Quench Level)
Also found in: Dictionary, Thesaurus.
quenchAn MRI term for a loss of superconductivity, an event that can only occur in superconducting magnets and results in total magnet failure. It is characterised by a rapid rise in magnet resistivity, which generates enough heat to evaporate the magnet coolant (liquid helium), creating a hazard that requires emergency venting to protect patients and operators.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.