12-letter words containing h, e, r, o, i
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- pharmacopeia — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- phenocrystic — relating to a phenocryst
- philodendron — a tropical American climbing plant belonging to the genus Philodendron, of the arum family, usually having smooth, shiny, evergreen leaves, often used as an ornamental houseplant.
- photo relief — a method of showing the configuration of the relief of an area by photographing a model of it that is illuminated by a lamp in the northwest corner
- 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.
- photothermic — pertaining to the thermal effects of light.
- 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.
- phrenologize — to treat with phrenology or phrenological methods
- phrontistery — a place or establishment for thinking, studying, or learning
- picture show — motion picture.
- picturephone — a type of telephone where users can see each other as they talk, through the transmission of video images
- pinch roller — a flexible device that presses magnetic tape against the capstan in a tape recorder.
- 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.
- pleomorphism — existence of an organism in two or more distinct forms during the life cycle; polymorphism.
- 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.
- policyholder — the individual or firm in whose name an insurance policy is written; an insured.
- polyhedrosis — an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
- 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.
- poster child — a child appearing on a poster for a charitable organization.
- praiseworthy — deserving of praise; laudable: a praiseworthy motive.
- preauthorize — to give authority or official power to; empower: to authorize an employee to sign purchase orders.
- prehensorial — relating to a part that grasps
- prehistorian — an authority on or specialist in prehistory
- preneolithic — (sometimes lowercase) Anthropology. of, relating to, or characteristic of the last phase of the Stone Age, marked by the domestication of animals, the development of agriculture, and the manufacture of pottery and textiles: commonly thought to have begun c9000–8000 b.c. in the Middle East. Compare Mesolithic, Paleolithic.
- prepsychotic — exhibiting behavior that indicates the approach of a psychotic reaction.
- preschooling — the education of preschool children.
- prochein ami — next friend.
- promethazine — a phenothiaxine derivative, C 1 7 H 2 0 N 2 S, used for the symptomatic relief of allergies and in the management of motion sickness.
- prophesyings — gatherings held to expound the prophecies of the Scriptures
- propheticism — the actions or characteristics of a prophet
- prototherian — belonging or pertaining to the group Prototheria, comprising the monotremes.
- psychometric — Psychology. psychometrics.
- pteridophyte — any plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and leaves, comprising the ferns, horsetails, and club mosses.
- pyonephritis — suppurative inflammation of the kidney.
- pyritohedral — of or relating to a pyritohedron
- pyritohedron — a crystal form of 12 pentagonal faces.
- pyrochemical — pertaining to or producing chemical change at high temperatures.
- pyromorphite — a mineral, lead chlorophosphate, Pb 5 P 3 O 1 2 Cl, occurring in crystalline and massive forms, and of a green, yellow, or brown color; green lead ore: a minor ore of lead.
- pyrophyllite — Mineralogy. a phyllosilicate, AlSi 2 O 5 (OH), usually having a white or greenish color, and occurring in either foliated or compact masses, the latter variety being used like soapstone.
- pyrotechnics — the art of making fireworks.
- pyrotechnist — a person skilled in pyrotechnics, especially in the manufacture or use of fireworks.
- rachiotomies — Plural form of rachiotomy.
- racing homer — a kind of homing pigeon used for racing
- radiographer — X-ray technician
- radiotherapy — treatment of disease by means of x-rays or of radioactive substances.
- re-authorize — to give authority or official power to; empower: to authorize an employee to sign purchase orders.