12-letter words containing a, t, r, o, p, h
- north platte — a river flowing from N Colorado through SE Wyoming and W Nebraska into the Platte. 618 miles (995 sq. km) long.
- octastrophic — having or containing eight verses or strophes
- odontography — a treatise regarding the teeth
- odontophoran — a member of the family Odontophora
- open slather — to spread or apply thickly: to slather butter on toast.
- open-hearted — unreserved, candid, or frank: open-hearted advice.
- operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
- ophiolatrous — of, relating to, or practising snake-worshipping
- opisthograph — a manuscript, parchment, or book having writing on both sides of the leaves.
- orthographer — a person versed in orthography or spelling.
- orthographic — of or relating to orthography.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- orthopterans — Plural form of orthopteran.
- overemphatic — excessive or undue emphasis.
- palatography — a technique for observing the position of the tongue in relation to the palate during articulation, especially by placing powder or dye on the palate and then noting the area from which it has been removed by the contact of the tongue with the palate during the production of a speech sound.
- panchromatic — sensitive to all visible colors, as a photographic film.
- paragnathous — (of certain vertebrates) having the upper and lower jaws of equal length
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- paranthropus — (sometimes initial capital letter) a member of the former genus Paranthropus.
- parathormone — a hormone secreted by the parathyroids, important in the control of the calcium-phosphorus balance of the body
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parting shot — a threat, insult, condemnation, sarcastic retort, or the like, uttered upon leaving.
- pass through — an act of passing.
- pass-through — a windowlike opening, as one for passing food or dishes between a kitchen and a dining area.
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- phallocratic — relating to a male, or the beliefs assumed by such, who assumes authority over females due to his maleness
- phanerophyte — a tree or shrub that bears its perennating buds more than 25 cm above the level of the soil
- 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.
- pharyngotomy — surgical incision into the pharynx
- philanthropy — altruistic concern for human welfare and advancement, usually manifested by donations of money, property, or work to needy persons, by endowment of institutions of learning and hospitals, and by generosity to other socially useful purposes.
- phosphaturia — the presence of an excessive quantity of phosphates in the urine.
- photo spread — a picture spread. See under spread (def 33).
- photoengrave — to make a photoengraving of.
- photographer — a person who takes photographs, especially one who practices photography professionally.
- photographic — of or relating to photography.
- photogravure — any of various processes, based on photography, by which an intaglio engraving is formed on a metal plate, from which ink reproductions are made.
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- 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.
- phototherapy — treatment of disease, especially of the skin, by means of light rays.
- 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.
- phreatophyte — a long-rooted plant that absorbs its water from the water table or the soil above it.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- phytographer — a botanist involved with plant description
- phytophthora — any of a group of fungi of the genus Phytophthora, which cause a serious plant disease, especially affecting apple and pear trees and potatoes.
- phytotherapy — the use of plants and plant products for medicinal purposes
- pictographic — a pictorial sign or symbol.
- plasma torch — an electrical device for converting a gas into a plasma, used for melting metal
- play through — to pass another foursome or group with their permission, while playing a round of golf