14-letter words containing p, t, e, r, o
- perhydrogenate — to hydrogenate as completely as possible.
- period costume — the attire typical of a particular period in time
- periodic table — a table illustrating the periodic system, in which the chemical elements, formerly arranged in the order of their atomic weights and now according to their atomic numbers, are shown in related groups.
- periodontology — periodontics.
- peritonealized — to cover with peritoneum.
- peritoneoscopy — an endoscopy examining the peritoneal cavity
- peritrichously — in a peritrichous manner; in a fashion characteristic of a peritrichous organism
- perlocutionary — (of a speech act) producing an effect upon the listener, as in persuading, frightening, amusing, or causing the listener to act.
- permanent echo — a radar signal reflected to a radar station on the ground by a building or other fixed object.
- permanent mold — a reusable metal mold used for making a large number of identical castings.
- persian violet — any of several plants belonging to the genus Exacum, native to the Old World, as E. affine, having glossy, ovate leaves, and fragrant, bluish flowers: cultivated as a houseplant.
- personal staff — the aides of a general officer or a flag officer.
- pertinaciously — holding tenaciously to a purpose, course of action, or opinion; resolute.
- perturbational — relating to perturbation
- petrochemicals — substances, such as acetone or ethanol, obtained from petroleum or natural gas
- petrochemistry — the branch of chemistry dealing with petroleum or its products.
- petrol station — A petrol station is a garage by the side of the road where petrol is sold and put into vehicles.
- petrophysicist — a person who studies, or is an expert in, petrophysics
- petworth house — a mansion in Petworth in Sussex: rebuilt (1688–96) for Charles Seymour, 6th Duke of Somerset; gardens laid out by Capability Brown; subject of paintings by Turner
- phallocentrism — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phenobarbitone — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- phenylthiourea — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- philanthropize — to treat (persons) in a philanthropic manner.
- philosophaster — a person who has only a superficial knowledge of philosophy or who feigns a knowledge he or she does not possess.
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- phonoreception — the physiological perception of sound.
- phosphate rock — phosphorite.
- phosphoprotein — a protein, as casein or ovalbumin, in which one or more hydroxyl groups of serine, threonine, or tyrosine are hydroxylated.
- phosphorescent — exhibiting phosphorescence.
- photochemistry — the branch of chemistry that deals with the chemical action of light.
- photoelectrode — an electrode that, following the absorption of light, can initialize electrochemical transformations
- photoengraving — a photographic process of preparing printing plates for letterpress printing.
- photogrammetry — the process of making surveys and maps through the use of photographs, especially aerial photographs.
- photoperiodism — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
- photorealistic — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- photoreception — the physiological perception of light.
- photoreceptive — of or relating to photoreception
- photorecording — the act of making photographic records, especially of documents.
- photoreduction — a reduction reaction induced by light.
- photoresistive — photoconductive
- phototelegraph — of or relating to phototelegraphy
- phytochemistry — the branch of biochemistry dealing with plants and plant processes.
- phytogeography — the science dealing with the geographical relationships of plants.
- piano concerto — a musical piece composed for the piano accompanied by an orchestra
- picture editor — someone whose job is to deal with the photographs and illustrations for a newspaper or magazine
- picture layout — a picture spread. See under spread (def 33).
- picture window — a large window in a house, usually dominating the room or wall in which it is located, and often designed or placed to present an attractive view.
- piece together — a separate or limited portion or quantity of something: a piece of land; a piece of chocolate.
- piezochemistry — the study of chemical reactions at high pressures
- pigeon-hearted — timid; meek.