quality factor(redirected from Q factor)
Also found in: Dictionary, Encyclopedia, Wikipedia.
Related to Q factor: resonance
qual·i·ty fac·tor (QF),
a factor by which absorbed radiation doses are multiplied to obtain, for radiation protection purposes, a quantity that expresses the approximate biologic effectiveness of the absorbed dose. Compare: RBE, relative biologic effectiveness.
Farlex Partner Medical Dictionary © Farlex 2012
qual·i·ty fac·tor(kwah'li-tē fak'tŏr)
Used in radiation protection to account for the differences in the biologic effects from various types of radiation.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
quality factorAbbreviation: Q
In radiology, a scale used to account for the biological effects of different radiations. Factors include beta, electron, and gamma x-radiation (Q = 1), thermal neutrons (Q = 5), and alpha neutrons and protons (Q = 20).
See also: factor
Medical Dictionary, © 2009 Farlex and Partners