19-letter words containing a, e, r, o, t, h
- parting of the ways — When there is a parting of the ways, two or more people or groups of people stop working together or travelling together.
- paumotu archipelago — Tuamotu Archipelago.
- phenanthrenequinone — a yellowish-orange, crystalline, water-insoluble solid, C 1 4 H 8 O 2 , used chiefly in organic synthesis and the manufacture of dyes.
- phenylthiocarbamide — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- photodisintegration — the disintegration of a nucleus, induced by its absorption of a photon.
- photographic memory — total recall
- photopolymerization — polymerization induced by light.
- photoreconnaissance — reconnaissance using aerial photography.
- pistachio ice cream — ice cream flavoured with pistachios
- play to the gallery — a raised area, often having a stepped or sloping floor, in a theater, church, or other public building to accommodate spectators, exhibits, etc.
- pocket-handkerchief — handkerchief (def 1).
- point the finger at — to accuse or blame
- police headquarters — building where police are stationed
- political geography — the branch of human geography that deals with the relationship between political processes and spatial structures (regions, territories, etc)
- potassium hydroxide — a white, deliquescent, water-soluble solid, KOH, usually in the form of lumps, sticks, or pellets, that upon solution in water generates heat: used chiefly in the manufacture of soap, as a laboratory reagent, and as a caustic.
- preach to the choir — to express an opinion to someone who is already in agreement with it
- prescription charge — a charge, set by the government, to be paid by a patient for medicines
- programmer's switch — (hardware) A button on the front of some Apple Macintosh computers which, when pressed, causes a command line prompt to appear. This gives access to the built-in mini-debugger, which has commands to dump memory, return to the application that was broken out, and others. A more sophisticated debugger must be installed in order to inspect breakpoints, etc.
- protease inhibitors — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- pseudohermaphrodite — an individual having internal reproductive organs of one sex and external sexual characteristics resembling those of the other sex or being ambiguous in nature. Compare hermaphrodite (def 1).
- psychrometric chart — a chart for calculating values of relative humidity, absolute humidity, and dew point from psychrometer readings.
- put a figure on sth — When you put a figure on an amount, you say exactly how much it is.
- pythagoras' theorem — (spelling) It's Pythagoras's Theorem.
- pythagorean theorem — Pythagoras's Theorem
- radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
- rake over the coals — a black or dark-brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Compare anthracite, bituminous coal, lignite.
- rap on the knuckles — a mild reprimand or light sentence
- rapture of the deep — nitrogen narcosis.
- reflux oesophagitis — inflammation of the gullet caused by regurgitation of stomach acids, producing heartburn: may be associated with a hiatus hernia
- research laboratory — place for scientific experimentation
- resorcinolphthalein — fluorescein.
- reticuloendothelial — pertaining to, resembling, or involving cells of the reticuloendothelial system.
- rhetorical question — a question asked solely to produce an effect or to make an assertion and not to elicit a reply, as “What is so rare as a day in June?”.
- right circular cone — a cone whose surface is generated by lines joining a fixed point to the points of a circle, the fixed point lying on a perpendicular through the center of the circle.
- saber-toothed tiger — any of several extinct members of the cat family Felidae from the Oligocene to Pleistocene Epochs, having greatly elongated, saberlike upper canine teeth.
- sabre-toothed tiger — any of various extinct Tertiary felines of the genus Smilodon and related genera, with long curved upper canine teeth
- sandwich generation — the generation of people still raising their children while having to care for their aging parents.
- sb's spiritual home — your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there
- scare the pants off — to scare extremely
- scattersite housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
- seleucia tracheotis — an ancient city in SE Asia Minor, on the River Calycadnus (modern Goksu Nehri): captured by the Turks in the 13th century; site of present-day Silifke (Turkey)
- sharp-tailed grouse — a grouse, Pedioecetes phasianellus, of prairies and open forests of western North America, similar in size to the prairie chicken but with a more pointed tail.
- ship-to-shore radio — a radio that carries communications between land and sea
- shoestring potatoes — potatoes cut into long, very narrow strips and fried crisp in deep fat
- short-tail business — Short-tail business is insurance business where it is known that claims will be made and settled quickly.
- shortness of breath — respiratory difficulty
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- southern crab apple — a tree, Malus angustifolia, of the eastern U.S., having oblong leaves, fragrant, pink or rose-colored flowers, and small, round, yellow-green fruit.
- spare a thought for — If you spare a thought for an unfortunate person, you make an effort to think sympathetically about them and their bad luck.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.