12-letter words containing p, e, l, t, o
- photolyzable — able to undergo photolysis
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- photopolymer — a polymer or plastic that undergoes a change in physical or chemical properties when exposed to 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.
- 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.
- phylogenetic — the development or evolution of a particular group of organisms.
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- pictorialize — to make pictorial; illustrate or represent with or as if with pictures.
- picture mold — a molding near a ceiling from which pictures can be suspended.
- pilot burner — pilot light (def 1).
- pilot engine — a locomotive sent on ahead of a railroad train to see that the way is clear and the track safe.
- pilot jacket — a type of leather jacket associated with U.S. Army pilots in World War II
- pilot ladder — Jacob's ladder (def 2a).
- pinealectomy — a surgical operation to remove the pineal gland
- placentation — Anatomy, Zoology. the formation of a placenta. the manner of placement or construction of a placenta.
- placentiform — shaped like a placenta, with a flat rounded form
- placentology — the scientific study of the placenta
- plainclothes — Plainclothes police officers wear ordinary clothes instead of a police uniform.
- plasterboard — a material used for insulating or covering walls, or as a lath, consisting of paper-covered sheets of gypsum and felt.
- platanaceous — relating to the family Platanaceae
- plate armour — armour made of thin metal plates, which superseded mail during the 14th century
- platform bed — a bed, originating in Scandinavia in the 1930s, consisting of a simple shallow box for holding a mattress situated on a slightly recessed pedestal.
- 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
- plenipotence — the possession of total authority
- plenipotency — the state of being plenipotent
- plotlessness — the state of being plotless
- pneumatology — Theology. doctrine concerning the Holy Spirit. the belief in intermediary spirits between humans and God.
- poeticalness — the characteristic of being poetical
- poikilotherm — an organism with poikilothermic qualities
- polar vortex — a whirling mass of very cold air that sits over the North or South Pole: A displaced polar vortex is causing Arctic temperatures across the United States.
- pole vaulter — A pole vaulter is an athlete who performs the pole vault.
- police court — an inferior court with summary jurisdiction for the trial of persons accused of any of certain minor offenses, and with power to examine those charged with more serious offenses and hold them for trial in a superior court or for a grand jury.
- police state — a nation in which the police, especially a secret police, summarily suppresses any social, economic, or political act that conflicts with governmental policy.
- poliorcetics — the science of siegecraft
- polish wheat — a wheat, Triticum polonicum, grown chiefly in S Europe, N Africa, and Turkestan.
- politicalize — to cause to be political; color with politics.
- politicaster — an ill-suited or disliked politician
- poll watcher — a representative of a political party or of an organization running a candidate who is assigned to the polls on an election day to watch for violations of the laws that regulate voting, campaigning, etc.
- pollen count — a count of the amount of pollen in the air, based on the average of the number of pollen grains that collect on slides exposed to the air for a given period of time.
- pollutedness — the state of being polluted
- polybutylene — any of several polymers of butylene, used chiefly in the manufacture of lubricants and synthetic rubber.
- polycentrism — the doctrine that a plurality of independent centers of leadership, power, or ideology may exist within a single political system, especially Communism.
- polychaetous — of or relating to the genus Polychaeta
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polycythemic — relating to polycythemia
- polyethylene — a plastic polymer of ethylene used chiefly for containers, electrical insulation, and packaging.
- polyneuritis — inflammation of several nerves at the same time; multiple neuritis.
- polynucleate — having many nuclei.