12-letter words containing h, i, p, o
- phytogenesis — the origin and development of plants.
- phytonadione — vitamin K1.
- picot stitch — a stitch that produces picots, or loops, of thread that extend beneath a row of connecting or finishing stitches.
- pictographic — a pictorial sign or symbol.
- picture show — motion picture.
- picturephone — a type of telephone where users can see each other as they talk, through the transmission of video images
- pidyon haben — the rite of relieving the first male child born to parents not descended from Aaron or Levi of certain religious obligations by redeeming him from a member of the priestly class, celebrated 30 days after the child's birth.
- pigeon-chest — chicken breast.
- pigtail hook — a screw hook having an eye in the form of a spiral for holding a loop, chain link, etc., at any angle.
- pillow fight — a mock fight in which participants thump each other with pillows
- pinch roller — a flexible device that presses magnetic tape against the capstan in a tape recorder.
- pinchcommons — a person who is frugal with food
- pinturicchio — real name Bernardino di Betto. ?1454–1513, Italian painter of the Umbrian school
- pitched-roof — a roof sloping downward in two parts at an angle from a central ridge, so as to leave a gable at each end.
- plagiohedral — (of a crystal) having faces arranged obliquely in a helix.
- plainclothes — Plainclothes police officers wear ordinary clothes instead of a police uniform.
- planographic — the art or technique of printing from a flat surface directly or by offset.
- pleiochasium — a flowering system in which several buds come out at the same time
- pleomorphism — existence of an organism in two or more distinct forms during the life cycle; polymorphism.
- plinth block — a plinth interrupting a door or window architrave at the floor or ground level.
- ploughwright — a person who makes ploughs
- poikilotherm — an organism with poikilothermic qualities
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- pointed arch — an arch having a pointed apex.
- poland china — one of an American breed of black hogs having white markings.
- polar lights — the aurora borealis in the Northern Hemisphere or the aurora australis in the Southern Hemisphere.
- police chief — chief of police: head of a US police force
- policyholder — the individual or firm in whose name an insurance policy is written; an insured.
- polish wheat — a wheat, Triticum polonicum, grown chiefly in S Europe, N Africa, and Turkestan.
- pollyannaish — an excessively or blindly optimistic person.
- polyarchical — a form of government in which power is vested in three or more persons.
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polycythemic — relating to polycythemia
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polyhedrosis — an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
- polyhistoric — relating to a polyhistor
- polymorphism — the state or condition of being polymorphous.
- polyphenolic — relating to a polyphenol
- polyphyletic — developed from more than one ancestral type, as a group of animals.
- polyrhythmic — the simultaneous occurrence of sharply contrasting rhythms within a composition.
- polystichous — arranged in rows or series.
- polysulphide — any sulphide of a metal containing divalent anions in which there are chains of sulphur atoms, as in the polysulphides of sodium, Na2S2, Na2S3, Na2S4, etc
- polytheistic — pertaining to, characterized by, or adhering to polytheism, the doctrine that there is more than one god or many gods: Science thrived in the polytheistic culture of ancient Greece.
- polythiazide — a substance, C 1 1 H 1 3 ClF 3 N 3 O 4 S 3 , used as a diuretic in the management of edema and hypertension.
- polytriglyph — (in classical architecture) an intercolumniation of at least four triglyphs.
- ponzi scheme — a swindle in which a quick return, made up of money from new investors, on an initial investment lures the victim into much bigger risks.
- pornographic — sexually explicit videos, photographs, writings, or the like, whose purpose is to elicit sexual arousal.
- porphyropsin — a purple pigment occurring in the retina of the eye of certain freshwater fishes
- porthole die — a die having several openings for the extrusion of separate parts of an object later formed by the welding or fusing together of these parts.
- posing pouch — a thong that emphasizes the genitals