12-letter words containing m, o, p, a
- photomontage — a combination of several photographs joined together for artistic effect or to show more of the subject than can be shown in a single photograph.
- 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.
- 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.
- phrasemonger — phrasemaker (def 2).
- 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.
- picrocarmine — a red powder containing carmine and picric acid which is used in staining processes
- pictorialism — Fine Arts. the creation or use of pictures or visual images, especially of recognizable or realistic representations.
- pigmentation — coloration, especially of the skin.
- piltdown man — a hypothetical early modern human, assigned to the genus Eoanthropus, whose existence was inferred from skull fragments that were allegedly found at Piltdown, England, in 1912 but were exposed as fraudulent through chemical analysis in 1953.
- pinealectomy — a surgical operation to remove the pineal gland
- ping command — ping
- placentiform — shaped like a placenta, with a flat rounded form
- plagioclimax — the climax stage of a community, influenced by man or some other outside factor
- plasma torch — an electrical device for converting a gas into a plasma, used for melting metal
- plasmosomata — a kind of nucleoli
- plastic bomb — a bomb made of plastic explosive.
- plastic foam — expanded plastic.
- plate armour — armour made of thin metal plates, which superseded mail during the 14th century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.
- platform car — a railroad freight car having no enclosing sides or top; a flatcar.
- pleiochasium — a flowering system in which several buds come out at the same time
- plumbaginous — containing graphite.
- plumulaceous — having the texture of down.
- plymouth bay — a small, well-protected bay on the coast of Massachusetts; the first permanent European settlement in New England; founded by the Pilgrim Fathers.
- pneumatocyst — the cavity of a pneumatophore.
- pneumatology — Theology. doctrine concerning the Holy Spirit. the belief in intermediary spirits between humans and God.
- pneumococcal — a bacterium, Diplococcus pneumoniae, causing lobar pneumonia and associated with certain other diseases, as pericarditis and meningitis.
- pneumography — the process of recording the movements of the thorax in respiration.
- pneumothorax — the presence of air or gas in the pleural cavity.
- poète maudit — a poet who receives insufficient recognition in his or her own time
- poison sumac — a shrub or small tree, Rhus vernix (or Toxicodendron vernix), of swampy areas of the eastern U.S., having pinnate leaves and causing severe dermatitis when touched by persons sensitive to it.
- pole compass — (formerly) a ship's compass elevated on a wooden pole to isolate it as much as possible from local magnetism.
- policymakers — a person responsible for making policy, especially in government.
- policymaking — a person responsible for making policy, especially in government.
- pollyannaism — an excessively or blindly optimistic person.
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polygamistic — a person who practices or favors polygamy.
- polyomavirus — any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice
- polypharmacy — the use of two or more drugs together, usually to treat a single condition or disease.
- pomona glass — an American art glass having one of its surfaces stained a pale amber color and the other surface etched.
- pompeian red — a dull, grayish red.
- poppy family — the plant family Papaveraceae, characterized by chiefly herbaceous plants having white, yellow, or reddish juice, alternate and often lobed or dissected leaves, showy, usually solitary flowers, and capsular fruit, and including bloodroot, creamcups, greater celandine, and poppies of the genera Papaver, Eschscholzia, Argemone, and others.
- porismatical — porismatic
- portal frame — a frame, usually of steel, consisting of two uprights and a cross beam at the top: the simplest structural unit in a framed building or a doorway
- porto amelia — former name of Pemba (def 2).
- post-primary — first or highest in rank or importance; chief; principal: his primary goals in life.
- postal meter — a postal franking machine
- postimperial — of, relating to, or designating the period after an empire
- postliminary — of or relating to postliminy
- postmedieval — occurring or existing after the Middle Ages, of or related to the period after the Middle Ages