20-letter words containing p, y, r, o

propylphenyl acetate — phenylpropyl acetate.
prosecuting attorney — the public officer in a county, district, or other jurisdiction charged with carrying on the prosecution in criminal proceedings.
prosthetic dentistry — prosthodontics.
prothonotary warbler — a wood warbler, Protonotaria citrea, of the eastern U.S., having an orange-yellow head and underparts, and bluish-gray wings and tail.
pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
psychiatric hospital — institution treating mental disorders
psychometric testing — the use of psychometric tests, often as a selection method
psychomotor epilepsy — temporal-lobe epilepsy.
pyroligneous alcohol — methyl alcohol.
pythagoras's theorem — (mathematics) The theorem of geometry, named after Pythagoras, of Samos, Ionia, stating that, for a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. I.e. if the longest side has length A and the other sides have lengths B and C (in any units), A^2 = B^2 + C^2 (2004-02-12)
quantum cryptography — a method of coding information based on quantum mechanics, which is said to be unbreakable
raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
recreational therapy — therapy by means of recreational activities engaged in by the patient
relative probability — a measure or estimate of the degree of confidence one may have in the occurrence of an event, defined as the limit of the proportion observed in a sample as the sample size tends to infinity
respiratory quotient — the ratio of the amount of carbon dioxide released by the lungs to the amount of oxygen taken in during a given period.
revolving presidency — a form of presidency in which the president and vice-president, or countries or bodies acting as such, switch roles after a set period and then back again and so on
rocky mountain sheep — bighorn.
royal leamington spa — a city in Warwickshire, central England: health resort.
rub up the wrong way — to arouse anger (in); annoy
schizoid personality — sb with identity disorder
sing for your supper — If someone has to sing for their supper, they have to do a job before they are allowed to do something they want to do.
spanish oyster plant — a composite plant, Scolymus hispanicus, of southern Europe, having spiny, thistlelike leaf margins, small yellow flowers, and an edible root.
spectroscopic binary — a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope.
spontaneous recovery — the reappearance of a response after its extinction has been followed by a period of rest
state highway patrol — a state's road traffic police
subscription library — a commercial lending library
synoptic meteorology — a branch of meteorology analyzing data collected simultaneously over a wide region, for the purpose of weather forecasting.
teletype corporation — (company) The company which made Teletype teletypewriters. Address: Skokie, Illinois, USA.
third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
to clean up your act — If someone who has been behaving badly cleans up their act, they start to behave in a more acceptable or responsible way.
to keep your balance — If you keep your balance, for example, when standing in a moving vehicle, you remain steady and do not fall over. If you lose your balance, you become unsteady and fall over.
to keep your hand in — If you do something to keep your hand in, you practise a skill or hobby occasionally in order to remain fairly good at it.
to line your pockets — If you say that someone is lining their own or someone else's pockets, you disapprove of them because they are making money dishonestly or unfairly.
to make up your mind — If you make up your mind or make your mind up, you decide which of a number of possible things you will have or do.
to pull your punches — If you say that someone does not pull their punches when they are criticizing a person or thing, you mean that they say exactly what they think, even though this might upset or offend people.
to spread your wings — If you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience.
toxemia of pregnancy — an abnormal condition of pregnancy characterized by hypertension, fluid retention, edema, and the presence of protein in the urine.
turn an honest penny — to earn money fairly and honestly
turnip-rooted celery — celeriac.
unemployment figures — statistics relating to the number of people who are out of work
university professor — a professor entitled to teach courses in more than one field or discipline at a university.
upper layer protocol — (protocol) 1. (ULP, or upper-layer protocol) Any protocol residing in OSI layers five or above. The Internet protocol suite includes many upper layer protocols representing a wide variety of applications e.g. FTP, NFS, RPC, and SMTP. These and other network applications use the services of TCP/IP and other lower layer protocols to provide users with basic network services. 2. A protocol higher in the OSI reference model than the current reference point. Upper Layer Protocol is often used to refer to the next-highest protocol in a particular protocol stack.
upper yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park that is 436 m (1430 ft) high
video graphics array — (hardware) (VGA) A display standard for IBM PCs, with 640 x 480 pixels in 16 colours and a 4:3 aspect ratio. There is also a text mode with 720 x 400 pixels. IBM technical references define the *product name* of their original VGA display board as "Video Graphics Array", in contrast to the preceding boards, the "Color Graphics Adapter" (CGA) and "Enhanced Graphics Adapter" (EGA). See also Super Video Graphics Adapter.
winter olympic games — an international contest of winter sports, esp skiing, held every four years
woolly spider monkey — a rare related monkey, Brachyteles arachnoides, of SE Brazil

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