From Longman Dictionary of Contemporary Englishpt.pt. (also pt British English)1 PARTthe written abbreviation of part2 British English the written abbreviation of payment3 the written abbreviation of pint or pints4 (also Pt) the written abbreviation of point5 (also Pt) the written abbreviation of port Pt MoresbyPTPT1 /ˌpiː ˈtiː/ noun [uncountable] British EnglishDS (physical training) activities involving organized games, exercises etc at school a PT instructor PT lessons at schoolPTPT2, P/T the written abbreviation of part-time → FTFrom Longman Business DictionaryPTPT HUMAN RESOURCESabbreviation for part-time