16-letter words containing t, h, y, o
- photoperiodicity — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
- photosensitivity — the quality of being photosensitive.
- phototypesetting — Printing. photocomposition.
- photozincography — a type of photoengraving using a sensitized zinc plate.
- phylogenetically — the development or evolution of a particular group of organisms.
- phytoremediation — a process of decontaminating soil or water by using plants and trees to absorb or break down pollutants.
- phytosuccivorous — feeding on sap, as certain sucking insects.
- pinot chardonnay — Chardonnay.
- plymouth company — a company, formed in England in 1606 to establish colonies in America and that founded a colony in Maine in 1607.
- port phillip bay — a bay in SE Australia: the harbor of Melbourne. 31 miles (50 km) long; 25 miles (40 km) wide.
- poynting theorem — the theorem that the rate of flow of electromagnetic energy through unit area is equal to the Poynting vector, i.e. the cross product of the electric and magnetic field intensities
- pragmatic theory — the theory of truth that the truth of a statement consists in its practical consequences, especially in its agreement with subsequent experience.
- process theology — a form of theology that emphasizes the close relation of human beings, nature, and God.
- prophylactically — defending or protecting from disease or infection, as a drug.
- propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
- psychoanalytical — a systematic structure of theories concerning the relation of conscious and unconscious psychological processes.
- psychogeriatrics — the psychology of old age.
- psychotechnology — the body of knowledge, theories, and techniques developed for understanding and influencing individual, group, and societal behavior in specified situations.
- recursion theory — (theory) The study of problems that, in principle, cannot be solved by either computers or humans.
- rhinopharyngitis — inflammation of the mucous membranes of the nose and pharynx.
- roentgenotherapy — treatment of disease by means of x-rays.
- room methodology — Real-Time Object-Oriented Modeling
- schneider trophy — a trophy for air racing between seaplanes of any nation, first presented by Jacques Schneider (1879–1928) in 1913; won outright by Britain in 1931
- sclerenchymatous — supporting or protective tissue composed of thickened, dry, and hardened cells.
- secondary growth — an increase in the thickness of the shoots and roots of a vascular plant as a result of the formation of new cells in the cambium.
- shaggy dog story — a funny story, traditionally about a talking dog, that, after an often long and involved narration of unimportant incidents, has an absurd or irrelevant punch line.
- shaggy-dog story — a funny story, traditionally about a talking dog, that, after an often long and involved narration of unimportant incidents, has an absurd or irrelevant punch line.
- shooting gallery — a place equipped with targets and used for practice in shooting.
- shopping trolley — A shopping trolley is a large metal basket on wheels which is provided by shops such as supermarkets for customers to use while they are in the shop.
- shorthand typing — shorthand and typing
- shorthand typist — A shorthand typist is a person who types and writes shorthand, usually in an office.
- shutter priority — of or relating to a semiautomatic exposure system in which the photographer presets the shutter speed and the camera selects the aperture.
- shutter-priority — of or relating to a semiautomatic exposure system in which the photographer presets the shutter speed and the camera selects the aperture.
- social pathology — a social factor, as poverty, old age, or crime, that tends to increase social disorganization and inhibit personal adjustment.
- sodium methylate — a white, free-flowing, flammable powder, CH 3 ONa, decomposed by water to sodium hydroxide and methyl alcohol: used chiefly in organic synthesis.
- soft pornography — soft-core pornography.
- sooty shearwater — any of several long-winged seabirds, often used as food, especially Puffinus tenuirostris (short-tailed shearwater) of Australia and Puffinus griseus (sooty shearwater) which breeds in the Southern Hemisphere and winters in the Northern Hemisphere.
- southerly buster — a sudden violent cold wind on the SE coast of Australia causing a rapid drop in temperature
- spectrochemistry — the branch of chemistry that deals with the chemical analysis of substances by means of the spectra of light they absorb or emit.
- speech community — the aggregate of all the people who use a given language or dialect.
- speech pathology — the scientific study and treatment of defects, disorders, and malfunctions of speech and voice, as stuttering, lisping, or lalling, and of language disturbances, as aphasia or delayed language acquisition.
- sphygmomanometer — an instrument, often attached to an inflatable air-bladder cuff and used with a stethoscope, for measuring blood pressure in an artery.
- sphygmomanometry — an instrument, often attached to an inflatable air-bladder cuff and used with a stethoscope, for measuring blood pressure in an artery.
- stagedoor johnny — a man who often goes to a theater or waits at a stage door to court an actress.
- statutory change — a change in the law
- synchrocyclotron — a type of cyclotron that synchronizes its accelerating voltage with particle velocity in order to compensate for the relativistic mass increase of the particle as it approaches the speed of light.
- system on a chip — A system on a chip combines most of a system's elements on a single integrated circuit or chip.
- take holy orders — to become ordained
- tephrochronology — a geochronologic technique based on the dating of layers of volcanic ash.
- tetrahydrozoline — a compound, C 13 H 16 N 2 , used in the treatment of nasal congestion and certain conditions of eye irritation.