12-letter words containing h, e, r, t, o
- over the top — the highest or loftiest point or part of anything; apex; summit. Synonyms: zenith, acme, peak, pinnacle, vertex. Antonyms: bottom, base, foot, lowest point.
- over-fraught — Archaic. filled or laden (with): ships fraught with precious wares.
- over-the-air — of or relating to any means of broadcast transmission.
- over-the-top — the highest or loftiest point or part of anything; apex; summit. Synonyms: zenith, acme, peak, pinnacle, vertex. Antonyms: bottom, base, foot, lowest point.
- overemphatic — excessive or undue emphasis.
- overlengthen — to extend excessively
- overnighting — for or during the night: to stay overnight.
- overscutched — overworked; worn out
- overshipment — an act or instance of shipping freight or cargo.
- overweighted — weighing too much or more than is considered normal, proper, etc.: overweight luggage; an overweight patient; two letters that may be overweight.
- overwithhold — to withhold too much.
- oyster shell — oyster's hard outer covering
- oyster white — a slightly grayish white; off-white.
- ozonic ether — a solution of hydrogen peroxide in ethyl ether.
- 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
- pentahydroxy — (of a molecule) containing five hydroxyl groups.
- pericynthion — the point at which a spacecraft launched from earth into a lunar orbit is nearest the moon
- peritrichous — (of bacteria) having a uniform distribution of flagella over the body surface.
- peterborough — a city in Cambridgeshire, in central England.
- 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
- 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.
- phenocrystic — relating to a phenocryst
- phosphoreted — phosphureted.
- phosphureted — combined with phosphorus, especially in its lowest valence state.
- 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
- photo spread — a picture spread. See under spread (def 33).
- photocurrent — an electric current produced by a photoelectric effect.
- 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.
- photoneutron — a neutron emitted from a nucleus during photodisintegration.
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- photopolymer — a polymer or plastic that undergoes a change in physical or chemical properties when exposed to light.
- 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.
- photothermic — pertaining to the thermal effects of light.
- phreatophyte — a long-rooted plant that absorbs its water from the water table or the soil above it.
- 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
- phytographer — a botanist involved with plant description
- phytohormone — hormone (def 3).
- phytotherapy — the use of plants and plant products for medicinal purposes
- picture show — motion picture.
- picturephone — a type of telephone where users can see each other as they talk, through the transmission of video images
- 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.
- pneumothorax — the presence of air or gas in the pleural cavity.