Search by letter: P
Search by letter
Search by letter: P
- Pérez Zeledón (canton)
- Perfect: meanings and uses across disciplines Perfect
- Perfect (Ed Sheeran song)
- Perfect competition
- Perfect Dark (2000 video game) Perfect Dark
- Perfect Illusion — lead single from Lady Gaga's album Joanne Perfect Illusion
- Perfect number
- Perfect Sisters — film adaptation of a true‑crime case about two teenage sisters Perfect Sisters
- Perfect Stranger (film) Perfect Stranger (movie)
- Perfectionism: definition, types, effects, and strategies for management Perfectionism
- Perfectly Imperfect (Elle Varner album) Perfectly Imperfect
- Perforation: purpose, methods, history and common applications Perforation
- Performance (performing arts) Performance
- Performing arts: forms, characteristics, history, and cultural role Performing arts
- Performing Music from Memory: Methods, Benefits, and Practical Advice Performing music from memory
- Perfugas — town and comune in Sardinia, Italy Perfugas
- Perfume: composition, history, types, and uses Perfume
- Perfume (Japanese electropop group) Perfume (J-Pop)
- Perfume (song)
- Perg District (Bezirk Perg), Upper Austria Perg District
- Perham, Minnesota
- Perho, Central Ostrobothnia (municipality in Finland) Perho
- Peri Gilpin — American actress best known for Roz Doyle Peri Gilpin
- Pericles — Athenian statesman and leader of the Age of Pericles Pericles
- Pericles, Prince of Tyre — Shakespeare's late romance Pericles, Prince of Tyre
- Pericles' Funeral Oration
- Pericyclic reaction: concerted, cyclic rearrangements in organic chemistry Pericyclic reaction
- Peride Celal: Turkish Novelist and Story Writer (1916–2013) Peride Celal
- Peridot: the gem-quality form of olivine and its properties, history, and uses Peridot
- Peridotite: an ultramafic igneous rock of the Earth's mantle Peridotite
- Périers-en-Auge (Calvados): Normandy commune in northwestern France Périers-en-Auge
- Périers-sur-le-Dan — a rural commune in Calvados, Normandy Périers-sur-le-Dan
- Périgny, Allier
- Périgny, Calvados
- Périgueux — capital of Dordogne in southwestern France Périgueux
- Perihelion: the nearest point of an orbit to the Sun Perihelion
- Perila — village in Raasiku Parish, Harju County, northern Estonia Perila
- Perilla (shiso): description, cultivation, culinary uses and safety Perilla
- Perimeter (geometry) — length around a plane figure Perimeter
- Perineum: anatomy, function, development and clinical importance Perineum
- Period — meanings in language, science, and time Period
- Period (geology)
- Period (periodic table row) Period (periodic table)
- Period (physics)
- Period (punctuation)
- Period 1 elements — hydrogen and helium Period 1 element
- Period 2 elements (lithium through neon) Period 2 element
- Period 3 elements — sodium to argon Period 3 element
- Period 4 elements (fourth row of the periodic table) Period 4 element
- Period 5 element
- Period 6 elements (sixth row of the periodic table) Period 6 element
- Period 7 elements (seventh period of the periodic table) Period 7 element
- Period instruments
- Periodate: the iodine(VII) oxyanion and its chemistry Periodate
- Periodic acid (HIO4, H5IO6) — properties, reactions and uses Periodic acid
- Periodic comet: classification, naming, and orbital behavior Periodic comet
- Periodic function
- Periodic table: organization, trends, history and uses Periodic table
- Periodic table: structure, trends, history, and uses Periodic table (big)
- Periodic table: metals, nonmetals and metalloids Periodic table (metals and non-metals)
- Periodontitis — inflammatory disease affecting the tissues around teeth Periodontitis
- Peripheral artery disease (PAD): causes, symptoms, diagnosis and management Peripheral artery disease
- Peripheral equipment: input, output and the devices that extend a computer Peripheral equipment
- Peripheral nervous system (PNS): structure, function and clinical overview Peripheral nervous system
- Peripheral neuropathy: causes, patterns, symptoms and management Peripheral neuropathy
- Peripheral vision: function, anatomy, and everyday importance Peripheral vision
- Periphery: meanings, uses, and distinctions Periphery
- Periscope: design, history, and uses Periscope
- Perișor — commune in Dolj County, Romania Perișor
- Périssac — commune in Gironde, southwestern France Périssac
- Peristalsis: coordinated muscular waves in digestion and other organs Peristalsis
- Peristeri — suburb and municipality in northwestern Athens Peristeri
- Perito Moreno Glacier — major Patagonian glacier in Argentina Perito Moreno Glacier
- Peritonitis: inflammation of the abdominal lining — causes, signs, and care Peritonitis
- Periwinkle: molluscs, plants, color and cultural uses Periwinkle
- Periwinkle (color)
- Periyakulam — town in Theni district, Tamil Nadu Periyakulam
- Perjury: false statements under oath and related legal issues Perjury
- Perkins
- Perkins County, Nebraska
- Perkins County, South Dakota
- Perkins, Oklahoma
- Perl (programming language) Perl
- Perleberg — town and administrative center in Brandenburg, Germany Perleberg
- Perles, Aisne (former commune in Hauts-de-France, France) Perles, Aisne
- Perlis — Malaysia’s smallest state Perlis
- Perly-Certoux
- Perm (hairstyle)
- Perm Krai: geography, history, economy and culture of a western Ural region Perm Krai
- Perm, Russia: regional capital at the western Urals Perm, Russia
- Permafrost: frozen ground, processes, distribution, and consequences Permafrost
- Permanent: meaning, uses, history and distinctions Permanent
- Permanent Committee on Geographical Names (United Kingdom) Permanent Committee on Geographical Names
- Permanent way (railway track structure) Permanent way
- Permanganate (MnO4⁻): properties, reactions, uses and safety Permanganate
- Magnetic permeability (electromagnetism) Permeability (electromagnetism)
- Permeance: how easily matter or energy passes through a medium Permeance
- Përmet District (southern Albania) Përmet District
- Permian Period: Last Chapter of the Paleozoic and the Great Extinction Permian
- Permian–Triassic extinction event
- Permineralization: how mineral-rich fluids preserve biological structure Permineralization
- Permissive software license: overview, characteristics, and uses Permissive software license
- Permit: definition, types, issuance, legal effects and modern developments Permit
- Permutations — ordered arrangements, counting formulas, and common representations Permutation
- Permutation box (P-box) in symmetric cryptography Permutation box
- Pernambuco: Brazilian state of Northeast with coastal cities and rich culture Pernambuco
- Pernant — a commune in the Aisne department of northern France Pernant
- Pernell Roberts: actor best known for Bonanza and Trapper John, M.D. Pernell Roberts
- Pernell "Sweet Pea" Whitaker — American boxing champion and defensive master Pernell Whitaker
- Pernes-lès-Boulogne — commune in Pas-de-Calais, northern France Pernes-lès-Boulogne
- Pernes-les-Fontaines: Provençal town famed for its fountains and heritage Pernes-les-Fontaines
- Pernicious anemia: causes, symptoms, diagnosis, and treatment Pernicious anemia
- Pernik Province (Oblast Pernik) Pernik Province
- Pernilla Wahlgren: Swedish singer, actress and television personality Pernilla Wahlgren
- Pernilla Wiberg
- Perognathinae — the pocket-mouse subfamily of rodents Perognathinae
- Péron (Ain) Péron, Ain
- Peronism (Justicialism): Argentina’s broad political movement and legacy Peronism
- Péronnas — commune in Ain, Auvergne-Rhône-Alpes, France Péronnas
- Péronne (Somme) — town in northern France and site of the Historial de la Grande Guerre Péronne, Somme
- Pérotin: Notre Dame School Composer and Pioneer of Polyphony Pérotin
- Pérouges: a preserved medieval walled village in Ain, Auvergne-Rhône-Alpes Pérouges
- Peroxide (O2 2−) — structure, types, uses and safety Peroxide
- Peroxisome: structure, functions, and biological significance Peroxisome
- Perpetual motion
- Perpignan, capital of Pyrénées-Orientales Perpignan
- Perquimans County, North Carolina
- Perranporth: Cornwall seaside resort and dune landscape Perranporth
- Perranzabuloe: coastal parish and historic settlement in Cornwall Perranzabuloe
- Perrefitte (Jura bernois, canton of Bern) Perrefitte
- Perreux, Yonne — former commune in Bourgogne-Franche-Comté Perreux, Yonne
- Perrex (Ain) — commune in Auvergne-Rhône-Alpes, France Perrex
- Perrières (Calvados) — commune in Normandy, France Perrières
- Perrigny-sur-Armançon
- Perrigny (Yonne) — commune in Bourgogne-Franche-Comté, France Perrigny, Yonne
- Perris, California
- Perro de Presa Canario (Presa Canario) Perro de Presa Canario
- Perros-Guirec — Seaside town on Brittany's Pink Granite Coast Perros-Guirec
- Perroy — municipality in the district of Nyon, canton of Vaud, Switzerland Perroy
- Perry Anderson
- Perry Christie: Bahamian statesman and two‑time prime minister Perry Christie
- Perry Como — American singer and television personality Perry Como
- Perry County, Alabama
- Perry County, Arkansas
- Perry County, Illinois: overview, history, geography, and notable features Perry County, Illinois
- Perry County, Indiana
- Perry County, Kentucky — overview, history, geography, and culture Perry County, Kentucky
- Perry County, Mississippi
- Perry County, Missouri
- Perry County, Ohio: overview, history, and communities Perry County, Ohio
- Perry County, Pennsylvania: overview, history, and notable features Perry County, Pennsylvania
- Perry King
- Perry Miller Adato — American Documentary Filmmaker (1921–2018) Perry Miller Adato
- Perry Moss (American football player, coach and executive) Perry Moss
- Perry Rhodan — long‑running German science fiction series Perry Rhodan
- Perry Saturn
- Perry White — Editor of the Daily Planet (Superman) Perry White
- Perry, Florida
- Perry, Georgia: overview, history, economy and notable features Perry, Georgia
- Perry, Iowa: Overview, geography, economy, and community Perry, Iowa
- Perry, Oklahoma — county seat and regional community in north-central Oklahoma Perry, Oklahoma
- Perryton, Texas
- Perryville, Arkansas
- Perryville, Kentucky — history, geography, and community Perryville, Kentucky
- Perryville, Missouri
- Persecution: causes, forms, history and legal responses Persecution
- Persecution of Christians: forms, history, and global patterns Persecution of Christians
- Persecution of Muslims: history, forms, and international responses Persecution of Muslims
- Perseids (Annual Meteor Shower) Perseids
- Persephone: Greek goddess of spring and queen of the underworld Persephone
- Persepolis — Ceremonial Capital of the Achaemenid Empire Persepolis
- Persepolis Football Club (Persepolis F.C.) Persepolis F.C.
- Perses (Titan)
- Perseus: Greek Hero, Slayer of Medusa and Founder of Mycenae Perseus
- Perseus (constellation)
- Perseus Arm — a major spiral arm of the Milky Way Perseus Arm
- Pershing County, Nevada
- Persia, Iowa
- Persian: language, people, culture and related meanings Persian
- Persian and Urdu: historical influence, structure and literary traditions Persian and Urdu
- Persian architecture
- Persian Armenia
- Persian blue
- Persian calendar (Solar Hijri) — structure, history and uses Persian calendar
- Persian cat
- Persian couriers: mounted relay messengers of the Achaemenid realm Persian couriers
- Persian Gulf
- Persian Gulf naming dispute: history, positions, and contemporary implications Persian Gulf naming dispute
- Persian Gulf Pro League
- Persian language (Farsi, Dari, Tajiki): overview, history, dialects and uses Persian language
- Persian lime (Citrus × latifolia): description, cultivation and uses Persian lime
- Persian people
- Persian Wikipedia (Farsi-language edition) Persian Wikipedia
- Persicaria — smartweeds and knotweeds in the Polygonaceae Persicaria
- Persimmon: fruit, varieties, uses, and cultivation Persimmon
- Persistent organic pollutant (POP): overview, properties, sources, and impacts Persistent organic pollutant
- Persistent vegetative state
- Person County, North Carolina
- Person of Interest (TV series)
- Personal Best (1982 film) Personal Best
- Personal care: toiletries, grooming, and everyday hygiene products Personal care
- Personal computer common name for a type of computer that is most popular in offices and homes
- Personal defense weapon (PDW): definitions, design, history and use Personal defense weapon
- Personal digital assistant (PDA) Personal digital assistant
- Personal grooming: hygiene, appearance, and self-care Personal grooming
- Personal identification number (PIN): purpose, format, history and security Personal identification number
- Personal Injury Lawyer: Role, Practice Areas, and How Claims Work Personal injury lawyer
- Personal name
- Personal property (movable property and chattels) Personal property
- Personal space (proxemics): boundaries, history, and social effects Personal space
- Personal union (shared monarch between sovereign states) Personal union
- Personality: Traits, Theories, and Applications Personality
- Personality disorder type of disorder
- Personico, Ticino — municipality in the Leventina district Personico
- Personification (literary and artistic device) Personification
- Perspective: Visual Techniques, Cognitive Viewpoints, and Mathematical Projection Perspective
- Perspective (graphical)
- Perstorp — town in Skåne County, Sweden Perstorp
- Perstorp Municipality
- Persuasion: methods, history, uses, and ethical considerations Persuasion
- Persuasion — Jane Austen's final completed novel Persuasion (novel)
- Perth — Places sharing the name (Scotland, Australia, Canada) Perth
- Perth Amboy, New Jersey
- Perth and Kinross: Geography, Governance and Historical Counties Perth and Kinross
- Perth Glory FC
- Perth, Scotland — The Fair City on the River Tay Perth, Scotland
- Perth, Western Australia: overview, history, geography and notable features Perth, Western Australia
- Pertheville-Ners, Calvados (Normandy commune) Pertheville-Ners
- Perthshire — County of Perth in central Scotland Perthshire
- Pertti Alaja (1952–2017) Pertti Alaja
- Pertti Paasio
- Pertuis, Vaucluse — town near the Luberon in Provence-Alpes-Côte d'Azur, France Pertuis
- Pertunmaa: a small rural municipality in Southern Savonia, Finland Pertunmaa
- Pertussis (Whooping Cough): Causes, Course, Prevention, and Public Health Pertussis
- Peru: Geography, History, Culture, and Economy Peru
- Peru at the Olympics
- Peru national football team (La Blanquirroja) Peru national football team
- Peru, Illinois — city in the Illinois River Valley Peru, Illinois
- Peru, Indiana
- Peru, Kansas
- Perugia: Overview, history, culture and landmarks Perugia
- Perun: Slavic god of thunder, sky, and oak Perun
- Perur taluk (Coimbatore district, Tamil Nadu) Perur taluk
- Péruwelz, municipality in Hainaut, Wallonia (Belgium) Péruwelz
- Pervasive Developmental Disorder (PDD): Overview, Types, and Management Pervasive developmental disorder
- Perverse incentive: when rewards produce harmful or opposite outcomes Perverse incentive
- Pervez Musharraf: Pakistani military chief and president (1943–2023) Pervez Musharraf
- Perwez, Walloon Brabant (Belgium) Perwez
- Péry (former municipality in the Bernese Jura, Switzerland) Péry
- Péry-La Heutte: municipality in Jura bernois, Canton of Bern Péry-La Heutte
- Pesaro — Coastal city of the Marche in central Italy Pesaro
- Pescara, Italy — Adriatic coastal city and historic motor-racing venue Pescara
- Pescetarianism: overview of a plant-focused diet that includes fish Pescetarianism
- Pescia, Tuscany Pescia
- Peseux, Neuchâtel: municipality overview and local profile Peseux, Switzerland
- Peshawar — historic capital of Khyber Pakhtunkhwa Peshawar
- Peshawar District — administrative, historical, and cultural overview Peshawar District
- Peshawar Division — former administrative division of Khyber Pakhtunkhwa, Pakistan Peshawar Division
- Peshawar High Court: role, structure, and significance Peshawar High Court
- Peshawar Zalmi: Pakistan Super League franchise representing Peshawar Peshawar Zalmi
- Peshitta: The Standard Syriac Bible Peshitta
- Peshkopi
- Peshmerga — Kurdish military forces of Iraqi Kurdistan Peshmerga
- Peso (currency) — origins, use, and characteristics Peso
- Pessac: Bordeaux suburb known for wine, campus life, and modernist housing Pessac
- Pessac-sur-Dordogne — commune in Gironde, Nouvelle-Aquitaine, France Pessac-sur-Dordogne
- Pesse, Drenthe (village in the Netherlands) Pesse
- Pesse canoe: an early Mesolithic dugout Pesse canoe
- Pessimism
- Pest
- Pest (biology)
- Pest control: methods, history, and environmental considerations Pest control
- Pesticide: Types, Uses, Environmental and Health Considerations Pesticide
- Pestilence: meaning, history, and public‑health implications Pestilence
- Pesto: Ligurian basil sauce Pesto
- Pet (domesticated companion animals): types, care, and social role Pet
- Pet door (cat flap or doggie door) Pet door
- Pet Shop Boys
- Pet Sounds (album) Pet Sounds
- Petabyte (PB): definition, conversions, and typical uses Petabyte
- Petah Tikva
- Petäjävesi, a municipality in Central Finland Petäjävesi
- Petal (flower structure) Petal
- Petaluma, California: history, character, and local highlights Petaluma, California
- Pétanque: rules, equipment, history, and play Petanque
- Petar Bojović: Serbian military commander and Voivoda (Field Marshal) Petar Bojović
- Petar Mladenov — Bulgarian statesman and transitional leader Petar Mladenov
- Petar Omčikus (1926–2019), Serbian painter Petar Omčikus
- Petar Stipetić
- Petar Stoyanov (Bulgarian politician, President 1997–2002) Petar Stoyanov
- Petasites (butterbur): appearance, habitat, uses and safety Petasites
- Petco Park
- Pete 'n' Tillie (1972 film) Pete 'n' Tillie
- Pete Astudillo: Mexican‑American Singer‑Songwriter and Tejano Music Figure Pete Astudillo
- Pete Babando (1925–2020) Pete Babando
- Pete Backor
- Pete Best — original drummer of The Beatles Pete Best
- Pete Brewster (American football tight end and coach) Pete Brewster
- Pete Brown (golfer) — pioneering African American PGA Tour winner Pete Brown (golfer)
- Pete Burns