11-letter words containing o, r, t, h
- perth amboy — a seaport in E New Jersey.
- petroglyphy — the skill or procedure of making rock carvings
- petrography — the branch of petrology dealing with the description and classification of rocks, especially by microscopic examination.
- pharaoh ant — a red or yellow ant, Monomorium pharaonis, introduced from Europe into North America: a common household pest.
- phoniatrics — the study and treatment of voice disorders.
- phosphorate — Also, phosphorize. Chemistry. to combine or impregnate with phosphorus.
- phosphorite — a sedimentary rock sufficiently rich in phosphate minerals to be used as a source of phosphorus for fertilizers.
- photo story — photo essay.
- photochromy — a former technique of color photography.
- photocopier — any electrically operated machine using a photographic method, as the electrostatic process, for making instant copies of written, drawn, or printed material.
- photography — the process or art of producing images of objects on sensitized surfaces by the chemical action of light or of other forms of radiant energy, as x-rays, gamma rays, or cosmic rays.
- photometric — the measurement of the intensity of light or of relative illuminating power.
- photoperiod — the interval in a 24-hour period during which a plant or animal is exposed to light.
- photoproton — a proton emitted from a nucleus during photodisintegration.
- photoreduce — to undergo or to cause to undergo photoreduction
- photoresist — Electronics. a photosensitive liquid polymer, used in photolithography to produce integrated circuits.
- photosensor — a photocell used to detect light.
- photosphere — a sphere of light or radiance.
- phototropic — growing toward or away from the light.
- physiolater — somebody who worships nature
- physiolatry — the worship of nature
- physiometry — measurement of the physiological functions of the body.
- phytochrome — a plant pigment that is associated with the absorption of light in the photoperiodic response and that may regulate various types of growth and development.
- phytography — the branch of botany dealing with the description of plants.
- phytosterol — Biochemistry. any of various sterols obtained from plants.
- pictography — the use of pictographs; picture writing.
- pilot chart — any of a number of charts issued to mariners by the U.S. Hydrographic Office and showing meteorological, hydrographic, and navigational conditions prevailing, or likely to prevail, subsequent to the date of issue in some part of the world: issued monthly for most areas.
- pitchometer — an instrument embodying a clinometer, for measuring the pitch of a ship's propeller
- pitchperson — a pitchman or pitchwoman
- planthopper — any member of a large and varied group of homopterous insects that are related to the leafhoppers and the spittlebugs but rarely damage cultivated plants.
- plateholder — a lightproof container for a photographic plate, loaded into the camera with the plate and having a slide that is removed before exposing.
- polyhistory — the quality of a polyhistor
- polytrophic — (of certain bacteria) deriving nourishment from many organic substances.
- porkpie hat — a hat with a round flat crown and a brim that can be turned up or down
- porphyratin — any of various complex compounds formed of metals and porphyrins
- porphyritic — of, pertaining to, containing, or resembling porphyry, its texture, or its structure.
- port arthur — a port in W Ontario, in S Canada, on Lake Superior: created in 1970 by the merger of twin cities (Fort William and Port Arthur) and two adjoining townships.
- port hudson — a village in SE Louisiana, on the Mississippi, N of Baton Rouge: siege during the U.S. Civil War 1863.
- port neches — a town in SE Texas.
- porterhouse — Also called porterhouse steak. a choice cut of beef from between the prime ribs and the sirloin.
- porto velho — a state in W Brazil. 93,815 sq. mi. (242,980 sq. km). Capital: Pôrto Velho.
- post-holder — a person who has a particular job or position
- postharvest — Also, harvesting. the gathering of crops.
- potty-chair — a small chair with an open seat over a removable pot, for use by a child during toilet training.
- pouched rat — pocket gopher.
- praetorship — the office of a praetor.
- prehistoric — of or relating to the time or a period prior to recorded history: The dinosaur is a prehistoric beast.
- priest-hole — a secret chamber in certain houses in England, built as a hiding place for Roman Catholic priests when they were proscribed in the 16th and 17th centuries
- prizeworthy — deserving or qualified for a prize: a prizeworthy performance.
- pro-british — of or relating to Great Britain or its inhabitants.