16-letter words containing u, d, a, l
- padded shoulders — (on a garment) shoulders lined, stuffed, or filled out with soft material, esp in order to give them a higher or wider shape
- painted trillium — a North American trillium, Trillium undulatum, having white flowers streaked with pink or purple.
- panel discussion — a formal discussion before an audience for which the topic, speakers, etc., have been selected in advance.
- pentothal sodium — thiopental sodium
- perez de cuellar — Javier [hah-vyer] /hɑˈvyɛr/ (Show IPA), born 1920, Peruvian diplomat: secretary-general of the United Nations 1982–91; prime minister of Peru 2000–2001.
- perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
- perpendicularity — vertical; straight up and down; upright.
- persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
- phase modulation — radio transmission in which the carrier wave is modulated by changing its phase to transmit the amplitude and pitch of the signal.
- platinum-iridium — (standard) A standard, against which all others of the same category are measured. Usage: silly. The notion is that one of whatever it is has actually been cast in platinum-iridium alloy and placed in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris, as the bar defining the standard metre once was. "This garbage collection algorithm has been tested against the platinum-iridium cons cell in Paris." Compare golden.
- pleased as punch — the chief male character in a Punch-and-Judy show.
- pseudo-political — of, relating to, or concerned with politics: political writers.
- pseudo-realistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
- pseudo-spiritual — of, relating to, or consisting of spirit; incorporeal.
- pseudocopulation — pollination of plants, esp orchids, by male insects while attempting to mate with flowers that resemble the female insect
- pseudohemophilia — a clotting disorder caused by abnormal factor VIII activity, and characterized by a prolonged bleeding time but without the delayed coagulation time of hemophilia.
- pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudoperipteral — having a freestanding colonnade at each end, with engaged columns at the sides.
- publication date — the date on which a book or periodical is or is planned to be published.
- puddling-furnace — the act of a person or thing that puddles.
- pullorum disease — a highly contagious, frequently fatal disease of young poultry caused by the bacterium Salmonella gallinarum (pullorum), transmitted by the infected hen during egg production, and characterized by weakness, loss of appetite, and diarrhea.
- pulse modulation — a type of modulation in which a train of pulses is used as the carrier wave, one or more of its parameters, such as amplitude, being modulated or modified in order to carry information
- purple sandpiper — a sandpiper, Calidris maritima, of arctic regions of the New and Old World, having in winter a slate-gray back with purplish reflections.
- pyruvic aldehyde — a yellow, liquid compound, C 3 H 4 O 2 , containing both an aldehyde and a ketone group, usually obtained in a polymeric form: used chiefly in organic synthesis.
- quadricentennial — of, relating to, or marking the completion of a period of four hundred years.
- quadrimillennial — Occurring every four thousand years.
- quasi-diplomatic — of, relating to, or engaged in diplomacy: diplomatic officials.
- rattle around in — to live or work in (a house, office, etc.) that is too big for one's needs
- razor-billed auk — a black and white auk, Alca torda, of the American and European coasts of the northern North Atlantic, having a compressed black bill encircled by a white band.
- real-time euclid — Real-time language, restriction to time-bounded constructs. ["Real-Time Euclid: A Language for Reliable Real-Time Systems", E. Kligerman et al, IEEE Trans Software Eng SE-12(9):941-1986-09-949].
- reasonable doubt — law: grounds for believing sb is innocent
- reconceptualized — to form into a concept; make a concept of.
- redemption value — the price at which the issuing company may choose to repurchase a security before its maturity date
- redistributional — a distribution performed again or anew.
- religious leader — head of a church or order
- residual current — an electric current that continues to flow in a device, etc when there is no voltage supply, due to electrons emitted by heat, etc
- rhythm and blues — a folk-based but urbanized form of black popular music that is marked by strong, repetitious rhythms and simple melodies and was developed, in a commercialized form, into rock-'n'-roll.
- rhythm-and-blues — a folk-based but urbanized form of black popular music that is marked by strong, repetitious rhythms and simple melodies and was developed, in a commercialized form, into rock-'n'-roll.
- ribonucleic acid — RNA.
- romeo and juliet — a tragedy (produced between 1591 and 1596) by Shakespeare.
- rough and tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
- rough-and-tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.
- round lake beach — a town in NE Illinois.
- rule of the road — any of the regulations concerning the safe handling of vessels under way with respect to one another, imposed by a government on ships in its own waters or upon its own ships on the high seas.
- run the blockade — to go past or through a blockade
- safeguard clause — a clause in a contract, etc, that ensures the protection of something against problems, etc
- san juan islands — a group of islands between NW Washington, US, and SE Vancouver Island, Canada: administratively part of Washington
- saturated liquid — a liquid whose temperature and pressure are such that any decrease in pressure without change in temperature causes it to boil.
- scheduled castes — (in India) the official name given to the lower castes that are now protected by the government and offered special concessions.
- schouten islands — a group of islands belonging to Papua New Guinea, in the Pacific Oceans, off the N coast of New Guinea.