Q-MVC stands for Q to Mitral Valve Closure
Q-MAP stands for Quantized Maximum A Posteriori
Q-List stands for Equipment Qualification List
Q-in-Q stands for 802.1q Tunnel Tags (Cisco)
Q-HAC stands for Queanbeyan Housing Action Collective (Queanbeyan, New South Wales, Australia)
Q-GLU stands for Queens Gay and Lesbian United (New York)
Q-EDD stands for Questionnaire for Eating Disorder Diagnosis
Q-Day stands for Day for Dress Rehearsal of Atom Bomb Test (June 23, 1946)
Q-D stands for Quantity-Distance
Q-CSIT stands for Quantized Channel State Information at the Transmitter