20-letter words containing i, d, l, e, p, u
- peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
- perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
- photoconductive cell — Electronics. a photocell whose resistance varies according to the intensity of light falling on it.
- physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
- physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
- prince william sound — a sound in the Gulf of Alaska, on the S coast of Alaska: S end of Trans-Alaska oil pipeline at port of Valdez.
- pseudo-psychological — of or relating to psychology.
- public lending right — (in Britain) an act of Parliament that directs compensation to an author for the library loan of his or her book.
- public record office — an institution in which official records are stored and kept available for inspection by the public
- refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
- republic of maldives — a republic occupying an archipelago of 1087 coral islands in the Indian Ocean, southwest of Sri Lanka: came under British protection in 1887; became independent in 1965 and a republic in 1968; member of the Commonwealth (1982–2016). The economy and infrastructure were severely damaged in the Indian Ocean tsunami of December 2004. Official language: Divehi. Official religion: (Sunni) Muslim. Currency: rufiyaa. Capital: Malé. Pop: 393 988 (2013 est). Area: 298 sq km (115 sq miles)
- spuyten duyvil creek — a channel in New York City at the north end of Manhattan Island, connecting the Hudson and Harlem rivers.
- tropical disturbance — a very weak, or incipient, tropical cyclone.
- turnip-rooted celery — celeriac.
- united arab republic — a name given the union of Egypt and Syria from 1958 to 1961; after that, the official name of Egypt alone until 1971. Abbreviation: U.A.R.
- visually handicapped — unable to carry out normal activities because of defects of vision, including blindness
- with all due respect — despite my regard for you