P is the sixteenth letter of the modern Latin alphabet. Its name in English is spelled pee or occasionally pe (pronounced /piː/). ...
In computational complexity theory, P is one of the most fundamental complexity classes. It contains all decision problems which can be solved by a deterministic Turing machine ...
Definitions of P at Dictionary.com. ... 2. any spoken sound represented by the letter P or p, as in pet, supper, top, etc.