16-letter words containing p, r, o, h, i
- 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)
- pearly razorfish — See under razorfish.
- personal hygiene — bodily cleanliness
- phantasmagorical — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacodynamics — the branch of pharmacology dealing with the course of action, effect, and breakdown of drugs within the body.
- pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
- pharmacogenomics — the study of human genetic variability in relation to drug action and its application to medical treatment
- pharmacokinetics — the branch of pharmacology that studies the fate of pharmacological substances in the body, as their absorption, distribution, metabolism, and elimination.
- phase microscope — a microscope that utilizes the phase differences of light rays transmitted by different portions of an object to create an image in which the details of the object are distinct despite their near-uniformity of refractive index.
- philanthropistic — a person who practices philanthropy.
- philoprogenitive — producing offspring, especially abundantly; prolific.
- philosopher king — the Platonic ideal of a ruler, philosophically trained and enlightened.
- philosopher-king — the Platonic ideal of a ruler, philosophically trained and enlightened.
- phlebothrombosis — the presence of a thrombus in a vein.
- phonocardiograph — an instrument for graphically recording the sound of the heartbeat.
- phosphor fatigue — screen saver
- phosphorous acid — a colorless, crystalline, water-soluble acid of phosphorus, H 3 PO 3 , from which phosphites are derived.
- 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.
- photoelectricity — electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
- photolithography — the technique or art of making photolithographs.
- 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.
- photozincography — a type of photoengraving using a sensitized zinc plate.
- 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.
- 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.
- place of worship — religious house: church, temple
- 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
- polyphonic prose — prose characterized by the use of poetic devices, as alliteration, assonance, rhyme, etc., and especially by an emphasis on rhythm not strictly metered.
- poor white trash — white trash.
- pork scratchings — small pieces of crisply cooked pork crackling, eaten cold as an appetizer with drinks
- port authorities — the body with overall responsibility for a port
- 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.
- prairie schooner — a type of covered wagon, similar to but smaller than the Conestoga wagon, used by pioneers in crossing the prairies and plains of North America.
- prison psychosis — a state of mental confusion, transitory or permanent, brought on by incarceration or by the anticipation of imprisonment.
- prognostic chart — a chart showing the predicted state of the atmosphere for a given time in the future.
- projection booth — a soundproof compartment in a theater where a motion-picture projector is housed and from which the picture is projected on the screen.
- 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.
- prospect heights — a town in N Illinois.
- prosthetic group — the nonprotein acid constituent of a conjugate protein, as the heme group of hemoglobin.
- protestant ethic — work ethic.
- pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.