15-letter words containing a, p, l, e, d
- pedunculate oak — a large deciduous oak tree, Quercus robur, of Eurasia, having lobed leaves and stalked acorns
- pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
- penal servitude — imprisonment together with hard labor.
- pepper-and-salt — composed of a fine mixture of black with white: pepper-and-salt hair.
- perchloric acid — a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
- perpendicularly — vertical; straight up and down; upright.
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
- phoenix islands — a group of eight coral islands in the central Pacific: administratively part of Kiribati. Area: 28 sq km (11 sq miles). The islands and surrounding waters form the Phoenix Islands Protected Area, the world's largest marine protected area. Area: 410 500 sq km (158 500 sq miles)
- photodegradable — (of a substance) capable of being broken down by light.
- pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- pine leaf aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- planned economy — an economic system in which the government controls and regulates production, distribution, prices, etc.
- platinum blonde — a person, especially a girl or woman, whose hair is of a pale blond or silver color, usually colored artificially by bleaching or dyeing.
- pleasant island — former name of Nauru.
- pneumatic drill — a percussive power drill powered by compressed air
- pocos de caldas — a city in E Brazil.
- point d'alencon — Alençon lace (def 1).
- polychlorinated — having multiple chlorine atoms
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
- postdevaluation — the period following the devaluation of a currency
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- pre-established — to establish beforehand.
- predeterminable — able to be predetermined; able to be determined in advance
- predicate logic — (logic) (Or "predicate calculus") An extension of propositional logic with separate symbols for predicates, subjects, and quantifiers. For example, where propositional logic might assign a single symbol P to the proposition "All men are mortal", predicate logic can define the predicate M(x) which asserts that the subject, x, is mortal and bind x with the universal quantifier ("For all"): All x . M(x) Higher-order predicate logic allows predicates to be the subjects of other predicates.
- prejudicialness — the trait of being prejudicial
- prepresidential — describing the period before a person's rise to presidency
- prince's island — former name of Príncipe.
- principal ideal — the smallest ideal containing a given element in a ring; an ideal in a ring with a multiplicative identity, obtained by multiplying each element of the ring by one specified element.
- private soldier — A private soldier is a soldier of the lowest rank in an army or the marines.
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- profoundly deaf — unable to hear any sound below 95 decibels in one's better ear
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- property ladder — progress from cheaper to more expensive housing
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- propyl aldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- pseudo-chemical — of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
- pseudo-critical — inclined to find fault or to judge with severity, often too readily.
- pseudo-medieval — of, pertaining to, characteristic of, or in the style of the Middle Ages: medieval architecture. Compare Middle Ages.
- pseudo-military — of, for, or pertaining to the army or armed forces, often as distinguished from the navy: from civilian to military life.
- pseudo-national — of, relating to, or maintained by a nation as an organized whole or independent political unit: national affairs.
- pseudo-suicidal — pertaining to, involving, or suggesting suicide.
- pseudocoelomate — having a pseudocoel.
- pseudohexagonal — of, relating to, or having the form of a hexagon.
- pseudomutuality — a relationship between two persons in which conflict of views or opinions is solved by simply ignoring it
- pseudoparalysis — the inability to move a part of the body owing to factors, as pain, other than those causing actual paralysis.
- pseudotripteral — having an arrangement of columns suggesting a tripteral structure but without the inner colonnades.
- psychedelically — of or noting a mental state characterized by a profound sense of intensified sensory perception, sometimes accompanied by severe perceptual distortion and hallucinations and by extreme feelings of either euphoria or despair.