12-letter words containing t, e, h, r, a
- orchestrator — One who orchestrates.
- orthoformate — an ester of orthoformic acid.
- orthographer — a person versed in orthography or spelling.
- 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.
- out of reach — beyond arm's length
- over-fraught — Archaic. filled or laden (with): ships fraught with precious wares.
- over-the-air — of or relating to any means of broadcast transmission.
- overemphatic — excessive or undue emphasis.
- 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°
- parathormone — a hormone secreted by the parathyroids, important in the control of the calcium-phosphorus balance of the body
- 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.
- pentahydrate — a hydrate that contains five molecules of water, as potassium molybdate, KMoO 4 ⋅5H 2 O.
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- 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
- periphrastic — circumlocutory; roundabout.
- peritrichate — (of bacteria) having flagella on the entire surface.
- petite sirah — a dry red wine produced mainly in California
- phanerophyte — a tree or shrub that bears its perennating buds more than 25 cm above the level of the soil
- 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.
- phenanthrene — a colorless, shiny, crystalline, water-insoluble isomer of anthracene, C 1 4 H 1 0 , derived from coal tar: used chiefly in dyestuffs and in the synthesis of drugs.
- 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.
- 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.
- phreatophyte — a long-rooted plant that absorbs its water from the water table or the soil above it.
- 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.
- phytographer — a botanist involved with plant description
- phytotherapy — the use of plants and plant products for medicinal purposes
- 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.
- pirate perch — a purplish North American freshwater fish, Aphredoderus sayanus, the adult of which has the vent located in back of the lower jaw.
- planet earth — the world