the sixteenth letter of the alphabet

(in tables of sports results) games played

(on an automatic gear shift) park

(on road signs and street plans) parking

(in units of measurement) peta- (10¹⁵)

27 PBq of radioactive material

poise (unit of viscosity)

Portugal (international vehicle registration)

proprietary

the chemical element phosphorus

page

see p 784

para-

p-xylene

penny or pence

a 5p coin

piano (softly)

(in units of measurement) pico- (10?¹²)

a 220 pf capacitor

denoting electrons and orbitals possessing one unit of angular momentum

p-electrons

pressure

pV = nRT

probability

this difference was significant (p = 0.0008)

the chemical element of atomic number 15, a poisonous, combustible non-metal which exists in two common allotropic forms, white phosphorus, a yellowish waxy solid which ignites spontaneously in air and glows in the dark, and red phosphorus, a less reactive form used in making matches