12-letter words containing p, e, r, i, t, h
- neutrosophic — Neutrosophy
- night person — a person who prefers to stay up late or who functions best during the nighttime hours.
- night porter — A night porter is a person whose job is to be on duty at the main reception desk of a hotel throughout the night.
- night prayer — the last of the seven canonical hours; compline
- operatorship — (in the oil and gas industries) the right to operate a well, field, or other oil source.
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- ornithopters — Plural form of ornithopter.
- 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.
- orthopterist — someone who studies the Orthoptera
- orthopteroid — (zoology) Any of the insects historically included in the order Orthoptera, including the cockroaches, earwigs, praying mantises, etc.
- overemphatic — excessive or undue emphasis.
- overshipment — an act or instance of shipping freight or cargo.
- paper-weight — a small, heavy object of glass, metal, etc., placed on papers to keep them from scattering.
- paraesthesia — an abnormal sensation, as prickling, itching, etc.
- paraesthetic — paresthesia.
- paranthelion — a bright spot in the sky caused by refraction and occurring at an angular distance from the sun of between 90° and 140°
- parchmentize — to treat (paper or the like) so that it resembles parchment.
- parenthesize — to insert (a word, phrase, etc.) as a parenthesis.
- parity check — a method for detecting errors in data communications or within a computer system by counting the number of ones or zeros per byte or per word, including a special check bit (parity bit) to see if the value is even or odd.
- patent right — the exclusive right granted by a patent, as on an invention.
- pathbreaking — pertaining to blazing a trail or path.
- patriarchate — the office, dignity, jurisdiction, province, or residence of an ecclesiastical patriarch.
- pearly white — white and lustrous as a pearl.
- peltier heat — the heat gained or lost at a junction of a thermocouple due to the Peltier effect.
- perichaetial — denoting the leaves in mosses that surround the archegonia and, later, the base of the sporophyte
- perichaetium — a leafy cluster (bracts) around the base of the reproductive organs of some plants, predominantly mosses
- pericynthion — the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon
- periphrastic — circumlocutory; roundabout.
- peristrephic — that turns around or revolves
- peritrichate — (of bacteria) having flagella on the entire surface.
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- petite sirah — a dry red wine produced mainly in California
- petrochemist — someone who studies petrochemistry or works in the petrochemical industry
- petroglyphic — relating to or having the characteristics of a petroglyph or carving made in rock
- petrophysics — the analysis of the constitution and characteristics of rocks
- pharmaceutic — pertaining to pharmacy or pharmacists.
- 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.
- phenocrystic — relating to a phenocryst
- 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.
- phrontistery — a place or establishment for thinking, studying, or learning
- phylacteries — Judaism. either of two small, black, leather cubes containing a piece of parchment inscribed with verses 4–9 of Deut. 6, 13–21 of Deut. 11, and 1–16 of Ex. 13: one is attached with straps to the left arm and the other to the forehead during weekday morning prayers by Orthodox and Conservative Jewish men.
- pi character — any special character, such as an accent or mathematical symbol, which is not normally obtained in a standard type fount
- picture sash — a large window sash, as for a picture window.
- picture show — motion picture.
- picturephone — a type of telephone where users can see each other as they talk, through the transmission of video images