18-letter words containing a, r, e, n, d, t
- obedience training — the training of an animal, especially a dog, to obey certain commands.
- on delicate ground — in a situation requiring tact
- on the danger list — critically ill in hospital
- on the ragged edge — precariously close to loss of self-control, mental stability, etc.
- one's heart bleeds — used to express sympathetic grief, but often used ironically
- operation overlord — the codename for the Allied invasion (June 1944) of northern France
- order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
- oriental almandine — a variety of corundum resembling almandine in colour and used as a gemstone
- osteitis deformans — Paget's disease.
- osteoradionecrosis — bone tissue death induced by radiation.
- over and done with — If you say that something is over and done with, you mean that it is completely finished and you do not have to think about it any more.
- overdraft interest — interest charged on money withdrawn in excess of the credit balance of a bank or building society account
- overidentification — an act or instance of identifying; the state of being identified.
- paediatric nursing — the branch of nursing concerned with the care of children
- paint the town red — a substance composed of solid coloring matter suspended in a liquid medium and applied as a protective or decorative coating to various surfaces, or to canvas or other materials in producing a work of art.
- parallel reduction — A form of applicative order reduction in which all redexes in an expression are reduced simultaneously. Variants include parallel outermost reduction and lenient reduction. See normal order reduction.
- paraurethral gland — any of a group of vestigial glands located in the posterior wall of the urethra in women.
- pass the hat round — to collect money, as for a cause
- passing-out parade — a ceremonial parade of cadets who have completed their training
- pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
- pedestrian traffic — the people coming and going on foot in a street, town, etc
- perceptual defence — the process by which it is thought that certain stimuli are either not perceived or are distorted due to their offensive, unpleasant, or threatening nature
- permanent hardness — hardness of water that cannot be removed by boiling as it results mainly from the presence of calcium and magnesium chlorides and sulphates
- permanent resident — an immigrant who has been given official residential status, often prior to being granted citizenship
- perpetual calendar — a calendar devised to be used for many years, as in determining the day of the week on which a given date falls.
- peter and the wolf — a composition by Sergei Prokofiev written in 1936. It is a children's story with both music and text, spoken by a narrator accompanied by the orchestra
- phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
- phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
- planned parenthood — an organization that gives out information on the planning of the number and spacing of the births of one's children, as through the use of birth-control measures
- point d'angleterre — a bobbin lace in which the design is worked out with either a needle or bobbin.
- point of departure — Nautical. the precise location of a vessel, established in order to set a course, especially in beginning a voyage in open water.
- postviral syndrome — debilitating condition occurring as a sequel to viral illness
- potential gradient — the rate of change of potential with respect to distance in the direction of greatest change.
- pour cold water on — If someone pours cold water on a plan or idea, they criticize it so much that people lose their enthusiasm for it.
- predation pressure — the effect of predation upon a population, resulting in the decrease in size of that population.
- prepare the ground — make conditions ready
- presenile dementia — a form of dementia, of unknown cause, starting before a person is old
- preservation order — In Britain, a preservation order is an official order that makes it illegal for anyone to alter or destroy something such as an old building or an area of countryside.
- presidential suite — a suite of rooms, as in a hotel, suitable for a president or other head of state.
- prestidigitization — /pres`t*-di"j*-ti:-zay"sh*n/ 1. A term coined by Daniel Klein <[email protected]> for the act of putting something into digital notation via sleight of hand. 2. Data entry through legerdemain.
- primate of england — a title of the archbishop of Canterbury.
- product acceptance — the verification or acceptance that a manufactured item meets required specifications or standards and is usable for its purpose
- production manager — a supervisor of the budget, crew and other details in the production of a film or play
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- pyramus and thisbe — (in Greek legend) two lovers of Babylon: Pyramus, wrongly supposing Thisbe to be dead, killed himself and she, encountering him in his death throes, did the same
- qattara depression — a desert basin in the Libyan Desert, in NW Egypt: lowest point is 435 feet (133 meters) below sea level. 6950 sq. mi. (18,000 sq. km).
- quadratic equation — an equation containing a single variable of degree 2. Its general form is ax 2 + bx + c = 0, where x is the variable and a, b, and c are constants (a ≠ 0).
- quartz-iodine lamp — a type of tungsten-halogen lamp containing small amounts of iodine and having a quartz envelope, operating at high temperature and producing an intense light for use in car headlamps, etc
- quinacrine mustard — a nitrogen mustard derived from mepacrine and used as a stain for chromosomes
- radiant efficiency — the ratio of the power emitted by a source of radiation to the power consumed by it