13-letter words containing p, e, r, o, t
- phonoreceptor — a receptor stimulated by sound waves.
- phosphoretted — combined with phosphorus, especially in its lowest valence state.
- phosphorylate — to introduce the phosphoryl group into (an organic compound).
- phosphuretted — treated or combined with phosphorus
- photo gallery — display of collected photographs
- photoallergic — photosensitive.
- photocomposer — a machine for setting type photographically.
- photodetector — photosensor.
- photoelectric — pertaining to the electronic or other electric effects produced by light.
- photoelectron — an electron emitted from a system by the photoelectric effect.
- photofinisher — a person whose profession is photofinishing
- photophoresis — the move away from a strong light source by previously suspended particles in a gas
- photoreaction — a chemical reaction that involves or requires light.
- photoreceptor — a receptor stimulated by light.
- photorecorder — a device for making photographic records.
- phototelegram — a telegram that is sent by means of phototelegraphy
- phraseologist — a person who treats of or is concerned with phraseology.
- phreatophytic — of, possessing the properties of, or relating to a phreatophyte
- phycoerythrin — a red protein pigment occurring in red algae.
- physiotherapy — physical therapy.
- phytoestrogen — an estrogen-like compound occurring naturally in plants of the legume family and in grains, vegetables, and fruits.
- phytonutrient — phytochemical.
- phytoplankter — a minute organism which constitutes part of phytoplankton
- piano quartet — a musical composition scored for piano and three other instruments, typically violin, viola, and cello.
- piano teacher — tutor of piano-playing
- pictorialness — the state of being pictorial
- picture phone — a mobile phone that can take, send, and receive photographs
- piezoelectric — electricity, or electric polarity, produced by the piezoelectric effect.
- pigeon breast — chicken breast.
- pilot officer — A pilot officer is an officer of low rank in the British Royal Air Force.
- plane spotter — a person who observes, photographs, and catalogues aircraft as a hobby
- plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
- platform game — a type of computer game that is played by moving a figure on the screen through a series of obstacles and problems
- platform shoe — a shoe with a platform.
- platiniferous — platinum-bearing
- platonic year — a period of about 26,000 years, equal to the time required for a complete revolution of the equinoxes.
- play for time — a dramatic composition or piece; drama.
- pleasure boat — recreational vessel
- plectopterous — of or relating to the order Plectoptera, containing mayflies
- plethysmogram — the recording of a plethysmograph.
- pleurisy root — a North American milkweed, Asclepias tuberosa, whose root was used as a remedy for pleurisy.
- pneumatograph — pneumograph.
- pneumatometer — an instrument for measuring either the quantity of air inhaled or exhaled during a single inspiration or expiration or the force of inspiration or expiration.
- pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
- pneumogastric — of or relating to the lungs and stomach.
- pocket gopher — any of numerous burrowing rodents of the family Geomyidae, of western and southern North America and Central America, having large, external, fur-lined cheek pouches.
- pocket-square — a handkerchief, often colored or figured, worn in the breast pocket of a suit or blazer as a fashion accessory.
- poet laureate — (in Great Britain) a poet appointed for life as an officer of the royal household, formerly expected to write poems in celebration of court and national events.
- pointe claire — a city in S Quebec, in E Canada, near Montreal, on the St. Lawrence.
- police escort — a police officer or vehicle which accompanies a prisoner