pushing - rapscallion
- pyorrhoea
- pyramid
- pyramidal
- pyre
- Pyrenees
- pyretic
- pyrites
- pyro-electricity
- pyrometer
- pyrotechnic
- pyrotechnics
- pyrotechnist
- pyroxene
- pyroxylin
- Pyrrhonism
- pyrrol
- Pythagorean
- Pythagorean proposition geom.
- Pythian
- python
- pythoness
- pyx
- pyxis
- q
- Q and reverse Q '
- q.
- Q.C. Queen's Counsel
- Q.E.D. quod erat demonstrandum
- Q.E.F. quod erat faciendum
- Q.E.I. quod erat inveniendum
- Q.M. Quartermaster
- q.p. quantum placet
- q.v. quod vide
- Qatar
- QC Quality Control
- QDA Quality Discount Agreement
- QID Quater In Die four times a day
- Qld Queensland
- QMC QuarterMaster Corps
- QNS Quantity Not Sufficient