(astronautics) Abbreviation of maximum dynamic pressure (the maximum pressure from aerodynamic forces experienced while traveling through the atmosphere).

Alternative spelling of Q code

(linguistics) A question word. / Alternative letter-case form of q-word (“any word beginning with q”)

Alternative letter-case form of Q-word (“(linguistics) question word”). / The word queer.

Alternative form of Q-spoil

Alternative spelling of max Q.

Alternative spelling of max Q.

Alternative form of q.v.

Trademark for a cotton swab consisting of short, thin, flexible plastic rods with a swab of cotton wool (UK)/cotton (US) at each end; they are typically used for cleaning the ears and other hard-to-reach places.

(US, slang) San Quentin prison.