P - Encyclopaedia

P
Pérez de Cuéllar, Javier
Pérez Esquivel, Adolfo
Pétain, (Henri) Philippe Benoni Omer Joseph
P'u-i, Henry
P-wave
p.a.
Pa
País Vasco
paca
pacemaker
Pachelbel, Johann
Pacific Community
Pacific Islands
Pacific Islands Forum
Pacific Ocean
Pacific Security Treaty
Pacific War
pacifism
Pacino, Al(fredo) James
packet switching
Paderewski, Ignacy Jan
Padova
Padua (town)
Paean
paediatrics
pagan
Pagan
Paganini, Niccolò
paging
Pagnol, Marcel (Paul)
pagoda
Pahang
Pahlavi dynasty
pain
Paine, Thomas
paint
paint program
painting
Paisley, Ian (Richard Kyle)
Pakaraima Mountains
Pakistan
Pala dynasty
Palaeocene epoch
Palaeolithic
palaeomagnetism
palaeontology
Palaeozoic era
Palatinate
Palau
Pale, the English
Palembang
Palermo (city)
Palestine
Palestine Liberation Organization
Palestine Wars
Palestrina, Giovanni Pierluigi da
Paley, William
Pali
Palikir
palindrome
palisade cell
Palk Strait
Palladian
Palladio, Andrea
palladium (chemistry)
Pallas (Greek)
Pallava dynasty
palliative
palliative care
palm
Palm OS
Palm Sunday
Palma de Mallorca
Palmas, Las
Palme, (Sven) Olof Joachim
Palmer, Arnold Daniel
Palmer, Samuel
Palmerston, Henry John Temple, 3rd Viscount Palmerston
palmtop computer
Palmyra (Syria)
Pamir
pampas
pampas grass
Pan
Pan-Africanist Congress
Panamá
Panama
Panama Canal
Panchen Lama, 11th incarnation
panchromatic
pancreas
panda
Pandora
Pandya dynasty
Pangaea
pangolin
Panipat, Battles of
Panjshir Valley
Pankhurst, Emmeline
panorama
pansy
Panthalassa
pantheism
pantheon
panther
pantomime
pantothenic acid
panzer
Paolozzi, Eduardo Luigi
Pap test
Papa Doc
papal infallibility
Papal States
Papandreou, Andreas
papaya
Papeete
paper
paper nautilus
papier mâché
Papineau, Louis Joseph
Papp, Joseph
Papua New Guinea
Papuan
papyrus
Pará
Paré, Ambroise
parable
parabola
Paracelsus, Philippus Aureolus
paracetamol
parachute
paradigm
paradise
paradox
paraffin
paragraph
Paraguay
parakeet
parallax
parallel circuit
parallel device
parallel lines and parallel planes
parallel processing
parallelogram
parallelogram of forces
paralysis
Paramaribo
paramilitary
paranoia
paranormal
paraplegia
parapsychology
paraquat
parasite
parathyroid
parenchyma
parent governor
parent–teacher association
parental responsibility
parenthesis
Pareto, Vilfredo
Paris (city)
Paris (mythology)
Paris Commune
Paris, Treaty of
parish council
paritta
parity (computing)
parity (economics)
Park Chung Hee
Park, Mungo
Parker, Bonnie
Parker, Charlie (Charles Christopher)
Parker, Dorothy
Parkinson's disease
Parkinson's law
Parks, Rosa (Louise McCauley)
parliament
Parliament, European
Parliament, Houses of
parliamentary government
parliamentary reform
parliamentary sovereignty
Parma (town)
Parnassos
Parnassus
Parnell, Charles Stewart
parody
parole
parquetry
Parr, Catherine
parrot
Parry, William Edward
parsec
Parsee
Parsifal
parsing
parsley
parsnip
part
part of speech
parthenocarpy
parthenogenesis
Parthenon
Parthia
participle
particle board
particle detector
particle physics
particle theory
particle, subatomic
partisan
partition (Ireland)
partridge
Parvati
pas de deux
Pascal
pascal
Pascal's triangle
Pascal, Blaise
Pashto language
Pasolini, Pier Paolo
pass laws
Passchendaele, Battle of
Passfield, Baron Passfield
passion flower
passion play
passive smoking
passive voice
Passover
password
past participle
past tense
pasta
pastel
Pasternak, Boris Leonidovich
Pasteur, Louis
pasteurization
pastiche
Paston Letters
pastoral(e)
Patagonia
Pataliputra
patchouli
patchwork
patella
patent
Pathé, Charles
Pathan
pathetic fallacy
pathogen
pathology
pathos
patina
Patmos
Patna
Patou, Jean
Patra
Patras
patriarch
patriarchy
patrician
Patrick, St
patronage
pattern poetry
Patterson, P(ercival) J(ames)
Patton, George Smith
Paul VI, Giovanni Battista Montini
Paul, Les
Paul, St
Pauling, Linus Carl
Pavarotti, Luciano
Pavlov, Ivan Petrovich
Pavlova, Anna
pawpaw
Paxton, Joseph
pay
Pay-As-You-Earn
PAYE
Pays de la Loire
Paz, (Estenssoro) Victor
Paz, Octavio
PC
PCP
PDF
pea
peace
Peace Corps
peace movement
peach
peacock
Peacock, Thomas Love
Peak District
peanut
pear
pearl
Pearl Harbor
Pears, Peter Neville Luard
Pearse, Patrick Henry
Pearson, Lester Bowles
Peary, Robert Edwin
Peasants' Revolt
peat
pecan
peccary
Peck, (Eldred) Gregory
Peckinpah, (David) Sam(uel)
pectoral
pedal point
pedicel
pediment (architecture)
Pedro I
Pedro II
Peel, Robert
peepul
peer group
peerage
Pegasus (astronomy)
Pegasus (mythology)
pegmatite
Pegu
Pei, I(eoh) M(ing)
Peiping
Peiraias
pekan
Peking
Peking man
pekingese
Pelé
Pelée, Mont
Pelagius
pelargonium
Pelham, Henry
pelican
Pelion
Pella
pellagra
Peloponnese
Peloponnesian War
Peloponnisos
Pelosi, Nancy Patricia D'Alessandro
Peltier effect
pelvis
Pembrokeshire
penal code
penance
Penang
pencil
Penda
Penderecki, Krzysztof
pendulum
Penelope
penguin
penicillin
Peninsular War
penis
penitence
Penn, William
Pennines, the
Pennsylvania
pension
pentadactyl limb
pentagon
Pentagon
pentanol
Pentateuch
pentathlon (modern)
pentatonic scale
Pentecost (Christianity)
Pentecost (Judaism)
Pentecostal movement
penumbra
peony
Pepin the Short
pepper
peppermint
pepsin
peptide
Pepys, Samuel
Perón, (María Estela) Isabel
Perón, Eva (‘Evita’) Duarte de
Perón, Juan Domingo
Perak
percentage
percentage composition
percentile
perch
percolation
percussion instrument
Percy, Henry ‘Hotspur’
perennating organ
perennial plant
Peres, Shimon
perfect competition
perfect tense
performance art
performing right
perfume
Pergamum
Pergau Dam
Peri, Jacopo
perianth
pericarp
Pericles
peridotite
perigee
periglacial environment
perihelion
perimeter
period (chemistry)
periodic table of the elements
periodontal disease
peripheral device
periscope
peristalsis
peritoneum
periwinkle (plant)
periwinkle (snail)
perjury
Perlis
Perm (city)
permafrost
Permanent Indian Frontier
Permian
Pernambuco
perovskite
Perpendicular
perpendicular
perpetual motion
Perrault, Charles
Perry, Fred (Frederick John)
Persephone
Persepolis
Perseus (astronomy)
Perseus (mythology)
Persia, ancient
Persian
Persian art
Persian Gulf
Persian language
Persian Wars
persimmon
person
personal computer
personal digital assistant
personal equity plan
personality
personality cult
personification
perspective
Perspex
perspiration
persuasion
Perth (Australia)
Perth (Scotland)
Perth and Kinross
pertussis
Peru
Peru Current
Perugia (town)
Perugino, Pietro
perverting the course of justice
Pesach
Peshawar
Peski Karakumy
pessary
pest
pesticide
petal
Peter (I) the Great
Peter, St
Peterborough (UK authority)
Peterborough (UK city)
Peterloo massacre
Petipa, Marius
petit Brabançon
petition of right
Petra
Petrarch
petrel
Petrie, (William Matthew) Flinders
petrochemical
petrodollars
Petrograd
petrol
petrol engine
petroleum
petrology
Peugeot
pewter
peyote
Pfalz
pH
Phaethon
phage
phagocyte
Phalangist
phalanx
phalarope
Phanerozoic eon
Pharaoh
Pharisee
pharmacology
pharynx
phase (astronomy)
phase (physics)
pheasant
phenol
phenomenalism
phenomenology
phenotype
pheromone
Phidias
Philadelphia
philanthropy
Philby, Kim (Harold Adrian Russell)
Philip II (of France)
Philip II (of Spain)
Philip II of Macedon
Philip IV the Fair
Philip V
Philip VI
Philip, Duke of Edinburgh
Philip, St
Philippines
Philistine
philology
philosophy
phlebitis
phloem
phlox
Phnom Penh
phobia
Phoenicia
phoenix
phon
phoneme
phonetics
phonology
phosphate
phosphor
phosphorescence
phosphoric acid
phosphorus
photocell
photochemical reaction
photocopier
photoelectric cell
photoelectric effect
photography
photogravure
photometer
photon
Photorealism
photosphere
photosynthesis
phototropism
phrasal verb
phrase (language)
phrase (music)
phrase-structure grammar
Phrygia
phylacteries
phylloxera
phylogeny
phylum
physical chemistry
physical weathering
physics
physiocrat
physiology
physiotherapy
phytomenadione
pi
Piaf, Edith
piano (instrument)
piano score
piano trio
PIC device
Picardie
Picardy
Picasso, Pablo Ruiz y
Piccard, Auguste Antoine
piccolo
Pickford, Mary
Pict
pictogram
picturesque
pidgin English
pidgin language
pie chart
Piedmont
Piemonte
Piero della Francesca
Piero di Cosimo
Pietism
pietra dura
Pietro da Cortona
piezoelectric effect
PIF
pig
pig iron
pigeon
pigeon hawk
Piggott, Lester Keith
pigment
Pigs, Bay of
Pik Pobedy
pika
pike
pikeperch
Pilate, Pontius
pilchard
Pilgrim Fathers
pilgrim festivals
pilgrimage
Pilgrimage of Grace
pilgrimage, medieval
Pill, the
pilotfish
Pilsudski, Józef (Klemens)
pimento
pimpernel
PIN
Pinatubo, Mount
pinching
Pindling, Lynden (Oscar)
pine
pineal body
pineapple
Pinero, Arthur Wing
pink
Pink Floyd
pinnacle
pinnate leaf
Pinochet (Ugarte), Augusto
pint
Pinter, Harold
Pinturicchio
pinworm
Pinyin
pion
pipefish
pipette
PIPEX
pipit
piracy
Pirandello, Luigi
Piranesi, Giambattista (Giovanni Battista)
piranha
Pisa (town)
Pisanello
Pisces
Piscis Austrinus
Pisistratus
Pissarro, Camille
pistachio
pistil
pistol
piston (technology)
pit bull terrier
Pitcairn Islands
pitch (chemistry)
pitch (mechanics)
pitch (music)
pitchblende
pitcher plant
Pitman, Isaac
pitot tube
Pitt, William, the Elder
Pitt, William, the Younger
Pittsburgh
pituitary gland
Piura
Pius IV
Pius IX
Pius V, Antonio Etrislieri
Pius VI
Pius VII
Pius XII
pivot
pixel
Pizarro, Francisco
pizzicato
PKK
Plaatje, Sol(omon) T(shekisho)
place value
placebo
placenta
plague
plaice
Plaid Cymru
plain
plainchant
Plains Indian
Plains Wars
plainsong
plaintiff
Planck's constant
Planck, Max Karl Ernst Ludwig
plane
plane (art)
planet
planetary nebula
plankton
plant
plant cell
plant classification
plant hormone
Plantagenet
plantain
plantation
Plantation of Ireland
plaque
plasma (biology)
plasma (physics)
plasma display
plasmapheresis
plasmid
plaster of Paris
plastic (chemistry)
plastic surgery
plasticity
plastid
Plataea, Battle of
plate
plate margin
plate tectonics
plateau
platelet
Plath, Sylvia
platinum
Plato
platoon
platypus
Plautus, Titus Maccius
play
playa
plc
pleadings
plebeian
plebiscite
Pleiades (astronomy)
Pleistocene epoch
Plekhanov, Georgi Valentinovich
plesiosaur
pleurisy
Plimsoll line
Pliny the Elder
Pliny the Younger
Pliocene Epoch
pliosaur
Plisetskaya, Maya Mikhailovna
PLO
plot
plotter
plough
Plough, the
Plovdiv
plover
plug, three-pin
plum
plumule
plural
pluralism (politics)
Plutarch
Pluto (astronomy)
Pluto (mythology)
plutonic rock
plutonium
Plymouth (UK city)
Plymouth Brethren
plywood
PM10
pneumatic drill
pneumoconiosis
pneumonectomy
pneumonia
pneumothorax
Po
poaching
pochard
pocket borough
pod
Podgorica
podzol
Poe, Edgar Allan
poet laureate
poetry
pogrom
poikilothermy
Poincaré, (Jules) Henri
poinsettia
point-of-sale terminal
pointe
Pointe-Noire
pointer
pointillism
poison
Poitevin
Poitier, Sidney
Poitiers
Poitou-Charentes
poker
Pol Pot
Poland
Polanski, Roman
polar bear
polar coordinates
Polar Regions
polar reversal
Polaris
polarized light
Polaroid camera
polder
pole
Pole
Pole Star
pole vault
polecat
police
polio
polis
Polish language
Politburo
political action committee
political correctness
politics
Polk, James Knox
polka
poll tax
pollack
Pollack, Sydney
Pollaiuolo
pollen
pollination
Pollock, (Paul) Jackson
polluter-pays principle
pollution
Pollux (astronomy)
polo
Polo, Marco
polonaise
polonium
polyandry
polyanthus
Polybius
polychlorinated biphenyl
polyester
polyethylene
polygamy
polygon
polyhedron
Polykleitos
polymer
polymerization
polymorphism (genetics)
polymorphism (mineralogy)
Polynesia
Polynesian languages
polynomial
polyp (medicine)
polyphony
polyploid
polypropylene
polysaccharide
polystyrene
polytechnic
polytetrafluoroethene
polytheism
polythene
polytych
polyunsaturate
polyvinyl chloride
pomegranate
Pomerania
pomeranian
Pompadour, Jeanne Antoinette Poisson, Marquise de Pompadour
Pompeii
Pompey the Great
Pompidou, Georges Jean Raymond
Ponce de León, Juan
pond-skater
pondweed
Pontefract
Pontiac (person)
pony
poodle
Poole (authority)
Poole (port)
Poona
poor law
pop art
pop music
pop-up menu
POP3
pope
Pope, Alexander
poplar
Popper, Karl Raimund
poppy
popular front
population (biology)
population (society)
population control
population cycle
population density
population distribution
population explosion
population pyramid
Populism
porcelain
porcupine
pornography
pornography, Internet
porphyria
porphyry
porpoise
port (computing)
port (transport)
Port Arthur (China)
Port Elizabeth
Port Louis
Port Moresby
Port Said
Port-au-Prince
Port-of-Spain
Port-Vila
Portadown Bridge massacre
Porter, Cole (Albert)
Porter, William Sydney
Portland, William Henry Cavendish Bentinck
portmanteau word
Porto
Porto Alegre
Porto-Novo
portraiture
Portsmouth (UK)
Portugal
Portuguese
Portuguese language
Portuguese man-of-war
Poseidon
positivism
positron
positron emission tomography
possum
Post Office
post-Impressionism
post-mortem
postal service
poster
postmodernism (art)
postnatal depression
potash
potassium
potato
potato blight
potato famine
Potemkin, Grigory Aleksandrovich
potential difference
potential energy
potential, electric
potentiometer
Potomac
Potsdam
Potsdam Conference
Potter, (Helen) Beatrix
Potteries, the
pottery and porcelain
potto
Poulenc, Francis Jean Marcel
poultry
pound (mass)
pound (money)
Pound, Ezra Loomis
Poussin, Nicolas
poverty
poverty cycle
poverty trap
Powell, Anthony Dymoke
Powell, Colin Luther
Powell, Dilys
Powell, Michael (Latham)
power (mathematics)
power (optics)
power (physics)
power of attorney
power rating
power station
power transmission
Powys (authority)
Powys, John Cowper
Poznan
pp
PPP
PR
prêt-à-porter
Prado
praetor
pragmatism
Prague
Prague Spring
Praha
Praia
prairie
prairie dog
Prakrit
Prasad, Rajendra
praseodymium
pravachan
prawn
Praxiteles
prayer
prayer wheel
praying mantis
pre-Columbian art
pre-eclampsia
Pre-Raphaelite Brotherhood
Precambrian era
precedent
precession of the equinoxes
precipitate
precipitation (chemistry)
precipitation (meteorology)
predator
predestination
predicate
preference share
prefix
pregnancy
prehistoric art
prehistoric life
prehistoric medicine
prehistory
prelude
Premadasa, Ranasinghe
prematurity
premenstrual tension
Preminger, Otto (Ludwig)
premium price
preparatory school
preposition
prepositional phrase
presbyopia
Presbyterianism
Prescott, John Leslie
prescription (medicine)
present participle
present tense
preservative
president
Presidential Medal of Freedom
Presley, Elvis (Aron)
Press Complaints Commission
Press Council
press gang
press stud
press, freedom of the
Pressburger, Emeric
pressure
pressure group
pressurized water reactor
presto
Preston
prestressed concrete
Pretoria
prevailing wind
Previn, André George
Priština
Priapus
price
prices and incomes policy
prickly pear
Pride's purge
priest
Priestley, J(ohn) B(oynton)
Primakov, Yevgeny Maksimovich
primary
primary data
primary industry
primate (zoology)
prime factor
prime minister
prime number
prime rate
Primitivism
Primo de Rivera, Miguel, Marqués de Estella
primrose
Prince
Prince Edward Island
Prince William Sound
Princeton
print
print spooler
printed circuit board
printer
printing
printmaking
prion
prism (mathematics)
prism (optics)
prison
prisoner of war
privacy
privacy (Internet)
private enterprise
private finance initiative
private limited company
private sector
privateer
privatization
privet
privilege
Privy Council
privy purse
Prix Goncourt
probability
probate
probation
procedure
process (art)
process art
process control
process stage
processor
Proconsul
Procrustes
procurator fiscal
Procyon
productivity
profile
profit
progesterone
program
program loop
programme music
programming
programming language
progression
progressive education
progressive tax
Prohibition
projection
projector
prokaryote
Prokofiev, Sergey Sergeyevich
prolapse
proletariat
PROM
Prometheus
promethium
prominence
Promised Land
promotion
pronghorn
pronoun
pronunciation
proof spirit
proof-read
propaganda
propaganda, Nazi
propaganda, World War I
propane
propanol
propanone
propellant
propeller
propene
proper motion
Propertius, Sextus
property
prophet
prophylaxis
proportion
proportion (art)
proportional font
proportional representation
proportional tax
propyl alcohol
propylene
prose
prosecution
Prosecution Service, Crown
Proserpina
prospectus
Prost, Alain Marie Pascal
prostaglandin
prostate cancer
prostate gland
prostatectomy
prosthesis
prostitution
protactinium
protease
protectionism
protectorate
Protectorate, the
protein
protein engineering
Proterozoic Eon
Protestantism
Protestantism (Ireland)
Proteus
protist
protocol
proton
proton number
protoplasm
prototype
protozoa
protractor
Proudhon, Pierre Joseph
Proust, Marcel
Provençal language
Provence-Alpes-Côte d'Azur
proverb
provincia
proviso
provitamin
Proxima Centauri
proxy
proxy server
Prud'hon, Pierre Paul
Prussia
prussic acid
Prut
Prypyat'
Przhevalsky, Nikolai Mikhailovitch
psalm
PSBR
PSDR
pseudocarp
pseudomorph
psi
psoriasis
Psyche
psychedelic art
psychedelic drug
psychedelic rock
psychiatry
psychoanalysis
psychology
psychometrics
psychopathy
psychosis
psychosomatic
psychosurgery
psychotherapy
psychotic disorder
pt
Ptah
ptarmigan
pteridophyte
pterodactyl
pterosaur
Ptolemy
Ptolemy I
Ptolemy II
Ptolemy XIII
Pu-Yi
puberty
pubes
public art
public corporation
public health (history)
public health acts
public inquiry
public lending right
public limited company
Public Order Act
public school
public sector
public sector debt repayment
public sector net cash requirement
public spending
public-domain software
Publisher
Puccini, Giacomo (Antonio Domenico Michele Secondo Maria)
puddle clay
Puducherry
pueblo
Puerto Rico
puffball
puffer fish
puffin
pug
Puget Sound
Pugin, Augustus Welby Northmore
Puglia
puja
pujari
Pulau Pinang
Pulitzer, Joseph
pull factor
pulley
pulmonary
pulsar
pulse (biology)
pulse (food)
pulse-code modulation
puma
pumice
pump
pumped storage
pumpkin
pun
punched card
punctuated equilibrium model
punctuation
Pune
Punic
Punic Wars
Punjab (former state)
Punjab (India)
Punjab (Pakistan)
Punjab massacres
Punjabi
punk
pupa
puppet
Purcell, Henry
purchasing-power parity
purdah
Pure Land Buddhism
purgatory
purge
purification
Purim
Puritan
purity
purpura
pus
Pusan
Pusey, Edward Bouverie
push factor
Pushkin, Aleksandr Sergeyevich
Pushtu
Putin, Vladimir Vladimirovich
Puttnam, David (Terence)
PVC
pyelitis
Pygmalion
Pygmy
pylon
Pym, John
Pynchon, Thomas
Pyongyang
pyramid (architecture)
pyramid (geometry)
pyramid of numbers
pyramidal peak
Pyrenees
pyrethrum
pyridine
pyridoxine
pyrite
pyrometer
pyroxene
Pyrrho
Pyrrhus (king)
Pythagoras
Pythagoras' theorem
python