15-letter words containing a, n, t, i, p, e
- plate tectonics — a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- 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.
- platyhelminthes — a phylum of worms having bilateral symmetry and a soft, usually flattened body, comprising the flatworms.
- pleasant island — former name of Nauru.
- plenipotentiary — a person, especially a diplomatic agent, invested with full power or authority to transact business on behalf of another.
- pneumatic drill — a percussive power drill powered by compressed air
- point d'alencon — Alençon lace (def 1).
- polychlorinated — having multiple chlorine atoms
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polynomial-time — (complexity) (P) The set or property of problems which can be solved by a known polynomial-time algorithm.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- port wine stain — a large birthmark of purplish color, usually on the face or neck.
- port-wine stain — a large birthmark of purplish color, usually on the face or neck.
- portative organ — capable of being carried; portable.
- post-liberation — the act of liberating or the state of being liberated.
- post-millennial — of or relating to the period following the millennium.
- post-parturient — bearing or about to bear young; travailing.
- postdevaluation — the period following the devaluation of a currency
- power macintosh — Power Mac
- practical nurse — a person who has not graduated from an accredited school of nursing but whose vocation is caring for the sick.
- pragmaticalness — the quality of being pragmatical or meddlesome
- prairie pointer — shooting star (def 2).
- pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- pre-advertising — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- pre-celebration — an act of celebrating.
- pre-deprivation — the act of depriving.
- pre-elizabethan — (of English culture, history, traditions, etc.) before the reign of Queen Elizabeth I; before the second half of the 16th century.
- pre-negotiation — mutual discussion and arrangement of the terms of a transaction or agreement: the negotiation of a treaty.
- pre-preparation — a proceeding, measure, or provision by which one prepares for something: preparations for a journey.
- pre-reformation — the act of reforming; state of being reformed.
- pre-romanticism — romantic spirit or tendency.
- preacquaintance — prior acquaintance with a person or with information, the state of having been preacquainted
- precipitantness — the condition or quality of being precipitant, hastiness
- preconceptional — a conception or opinion formed beforehand.
- predeterminable — able to be predetermined; able to be determined in advance
- preequalization — preemphasis.
- preferentialism — the economic system of preference, esp amongst British commonwealth countries
- preferentialist — someone who believes in preferentialism
- prefix notation — (language) (Or "prefix syntax") One of the possible orderings of functions and operands: in prefix notation the function precedes all its operands. For example, what may normally be written as "1+2" becomes "(+ 1 2)". A few languages (e.g., lisp) have strictly prefix syntax, many more employ prefix notation in combination with infix notation. The opposite, postfix notation, is somewhat rarer.
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation
- preimplantation — relating to the period before implantation in the uterus
- prekindergarten — a school or class for young children between the ages of four and six years.
- prelate nullius — a prelate having independent jurisdiction over a district not under a diocesan bishop.
- premodification — an act or instance of modifying.
- prenotification — notice that is given or served prior to a specific date; advance notice.
- prepresidential — describing the period before a person's rise to presidency
- preregistration — early registration, in advance of event or general registration
- presbyterianism — church government by presbyters or elders, equal in rank and organized into graded administrative courts.