12-letter words containing p, o, t, s
- photo-finish — If the end of a race is a photo-finish, two or more of the competitors cross the finishing line so close together that a photograph of the finish has to be examined to decide who has won.
- photo-offset — a method of printing, based on photolithography, in which the inked image is transferred from the metal plate to a rubber surface and then to the paper.
- photo-stated — a camera for making facsimile copies of documents, drawings, etc., in the form of paper negatives on which the positions of lines, objects, etc., in the originals are maintained.
- photoanalyst — a person who analyzes and interprets photographs, especially a military specialist in aerial or satellite photography.
- photocompose — to set (type) on a photocomposer.
- photoelastic — displaying photoelasticity; of or relating to photoelasticity
- photofission — nuclear fission induced by the absorption of a high-energy photon.
- photokinesis — movement occurring upon exposure to light.
- photophilous — of or relating to an organism, as a plant, that is receptive to, seeks, or thrives in light.
- photorealism — 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.
- photosetting — photocompose.
- phototropism — phototropic tendency or growth.
- phototypeset — to set (type matter) by phototypesetting
- phragmoplast — the cytoplasmic structure that forms at the equator of the spindle after the chromosomes have divided during the anaphase of plant mitosis, and that initiates cell division.
- phrenologist — a psychological theory or analytical method based on the belief that certain mental faculties and character traits are indicated by the configurations of the skull.
- phrontistery — a place or establishment for thinking, studying, or learning
- phycologists — the branch of botany dealing with algae.
- physiologist — a specialist in physiology.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- physostomous — having the mouth and air bladder connected by an air duct.
- phytobenthos — microscopic plants that live in the bottom of the ocean
- phytogenesis — the origin and development of plants.
- phytophagous — herbivorous.
- picot stitch — a stitch that produces picots, or loops, of thread that extend beneath a row of connecting or finishing stitches.
- pictorialism — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- pictorialist — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- picture show — motion picture.
- pigeon-chest — chicken breast.
- pilot signal — a signal, as a flag or light, used to request a pilot.
- pirate coast — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- piston skirt — The piston skirt is the cylindrical walls of a piston.
- pityrosporum — a genus of fungi that live on the skin, esp that of the scalp and face, present in conditions such as dandruff and dermatitis
- plainclothes — Plainclothes police officers wear ordinary clothes instead of a police uniform.
- plasma torch — an electrical device for converting a gas into a plasma, used for melting metal
- plasmosomata — a kind of nucleoli
- plasterboard — a material used for insulating or covering walls, or as a lath, consisting of paper-covered sheets of gypsum and felt.
- plastic bomb — a bomb made of plastic explosive.
- plastic flow — deformation of a material that remains rigid under stresses of less than a certain intensity but that behaves under severer stresses approximately as a Newtonian fluid.
- plastic foam — expanded plastic.
- plastination — a technique for embalming bodies by impregnating whole organs with silicon polymers
- plastocyanin — a blue protein found in green plants and in some bacteria
- platanaceous — relating to the family Platanaceae
- play clothes — clothes that are suitable for playing in
- plecopterous — relating to the order Plecoptera or stoneflies
- pleiotropism — the condition of a gene affecting more than one characteristic of the phenotype
- plotlessness — the state of being plotless
- pneumatocyst — the cavity of a pneumatophore.
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- pocket mouse — any of numerous burrowing rodents, especially of the genus Perognathus, chiefly inhabiting arid regions of the southwestern U.S. and northern Mexico, having fur-lined cheek pouches and a long tail.
- pocket-sized — If you describe something as pocket-sized, you approve of it because it is small enough to fit in your pocket.