| ox | |
| oxidisable material | |
| oxidising agent | |
| ozonisation | |
| p | |
| package | |
| paediatrician | |
| page facing up | |
| page with curl | |
| paintbrush | |
| palaeoclimatology | |
| palaeoecology | |
| palaeography | |
| Palaeolithic period | |
| palaeontology | |
| Palaeozoic era | |
| pale grey | |
| palm tree | |
| panda face | |
| panelled | |
| panelling | |
| pants | |
| parcelling out | |
| part alternation mark | |
| parting | |
| part load | |
| party | |
| party popper | |
| party time | |
| passenger full brake | |
| passenger ship | |
| passing loop | |
| passport control | |
| pasteurisation | |
| path | |
| pauperise | |
| pause button | |
| pavement | |
| paw prints | |
| p button | |
| peace symbol | |
| peach | |
| pear | |
| pearl jewellery | |
| pedestal frame | |
| pedestrian | |
| pedlar | |
| pen | |
| pensive face | |
| perambulator | |
| British English |