16-letter words containing o, p, h, t
- parochialization — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parrot's-feather — a South American water milfoil, Myriophyllum aquaticum, having hairlike pinnate leaves, widely cultivated as an aquarium plant.
- part way through — mid-way; before the end
- pascal's theorem — the theorem that the lines joining adjacent vertices of a hexagon intersect the same straight line if alternate vertices lie on two intersecting straight lines.
- patched-together — makeshift; roughly made from disparate elements
- pay-as-you-throw — denoting a system for waste collection in which households are charged according to the amount of refuse they leave
- peach tree borer — the larva of any of several clearwing moths, as Sanninoidea exitiosa, that bore into the wood of the peach and other drupaceous trees.
- peano arithmetic — (mathematics) Giuseppe Peano's system for representing natural numbers inductively using only two symbols, "0" (zero) and "S" (successor). This system could be expressed as a recursive data type with the following Haskell definition: data Peano = Zero | Succ Peano The number three, usually written "SSS0", would be Succ (Succ (Succ Zero)). Addition of Peano numbers can be expressed as a simple syntactic transformation: plus Zero n = n plus (Succ m) n = Succ (plus m n) (1995-03-28)
- pentothal sodium — thiopental sodium
- people's charter — the principles or movement of a party of political reformers, chiefly workingmen, in England from 1838 to 1848: so called from the document (People's Charter or National Charter) that contained a statement of their principles and demands.
- perchloromethane — carbon tetrachloride.
- phagocytic index — the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index.
- phantasmagorical — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
- pharmacokinetics — the branch of pharmacology that studies the fate of pharmacological substances in the body, as their absorption, distribution, metabolism, and elimination.
- phase modulation — radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal.
- pheochromocytoma — a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
- philanthropistic — a person who practices philanthropy.
- philoprogenitive — producing offspring, especially abundantly; prolific.
- phlebothrombosis — the presence of a thrombus in a vein.
- phosphor fatigue — screen saver
- photoautotrophic — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
- photochronograph — a device formerly used for taking a series of instantaneous photographs of a rapidly moving object.
- photocoagulation — a surgical technique using an intense beam of light from a laser or a xenon-arc bulb to seal blood vessels or coagulate tissue, used primarily in ophthalmology to repair detached retinas or to treat certain kinds of retinopathy.
- photocomposition — any method of composition using photography, as composition by means of a photocomposer.
- photoelectricity — electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
- photoelectrotype — an electrotype made by photographic means.
- photograph album — bound book for photos
- photolithography — the technique or art of making photolithographs.
- photoluminescent — luminescence induced by the absorption of infrared radiation, visible light, or ultraviolet radiation.
- photoperiodicity — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
- photopolarimeter — a polarimeter that uses a photocell.
- photorespiration — the oxidation of carbohydrates in many higher plants in which they get oxygen from light and then release carbon dioxide, somewhat different from photosynthesis.
- 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.
- pitch inspection — in inclement weather, a pre-match inspection of the playing surface in order to determine whether it is in good enough condition for the match to go ahead
- pitch-cone angle — (in a bevel gear) the apex angle of the truncated cone (pitch cone) which forms the reference surface on which the teeth of a bevel gear are cut
- pithecanthropine — of, belonging to, or resembling a former genus (Pithecanthropus, now classified as Homo erectus) of extinct early humans, who lived in Java, China, Europe, and Africa
- pithecanthropoid — of, relating to, or resembling the former genus Pithecanthropus or one of its members.
- plainclothes man — a detective or police officer who wears civilian clothes while on duty
- plymouth company — a company, formed in England in 1606 to establish colonies in America and that founded a colony in Maine in 1607.
- pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
- point de hongrie — flame stitch.
- poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
- poor white trash — white trash.