15-letter words containing m, r, p

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
portable pixmap — (file format) (PPM) A colour image file format. A PPM file contains the following: a two character "{magic number}" - "P3", the width in pixels, the height in pixels, the maximum colour component value, HEIGHT rows of WIDTH {pixels}. The rows are ordered from top to bottom with the pixels in each row ordered from left to right. Each pixel is represented as three values for red, green, and blue. All parts are separated by whitespace and numbers are in decimal ASCIII representation. A zero pixel component means that colour is absent. Characters from a "#" to the next end-of-line are ignored and no line should be longer than 70 characters. Here is an example of a small pixmap in this format: P3 # feep.ppm 4 4 15 0 0 0 0 0 0 0 0 0 15 0 15 0 0 0 0 15 7 0 0 0 0 0 0 0 0 0 0 0 0 0 15 7 0 0 0 15 0 15 0 0 0 0 0 0 0 0 0 A "RAWBITS" variant has magic number "P6", pixel values are stored as plain binary bytes, instead of ASCII decimal and no whitespace is allowed after a single whitespace character after the maximum colour component value which must be less than or equal to 255.
portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
position isomer — any of two or more isomers that differ only in the position occupied by a substituent.
post-retirement — the act of retiring, withdrawing, or leaving; the state of being retired.
posthemorrhagic — occurring after a haemorrhage
poststimulatory — following stimulation
poultry farming — breeding and keeping fowl
powder magazine — a compartment for the storage of ammunition and explosives.
power amplifier — an amplifier for increasing the power of a signal.
power macintosh — Power Mac
power save mode — (architecture) A feature of a component or subsystem designed to actively reduce its power consumption when not in use. Almost any electronic device might benefit from having a power save mode but the most common application is for portable computers which attempt to conserve battery life by incorporating power saving modes in the CPU, display, disks, printer, or other units.
pragmaticalness — the quality of being pragmatical or meddlesome
prajna-paramita — a series of sutras dealing with the perfection of wisdom: systematized by the Madhyamikas.
pre-arrangement — to arrange in advance or beforehand.
pre-consumption — the act of consuming, as by use, decay, or destruction.
pre-reformation — the act of reforming; state of being reformed.
pre-romanticism — romantic spirit or tendency.
predeterminable — able to be predetermined; able to be determined in advance
preferentialism — the economic system of preference, esp amongst British commonwealth countries
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
premanufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
premier danseur — the leading male dancer in a ballet company.
premiere partie — (in buhl) the primary inlay formed, in which the tortoise shell forms the ground for a design cut in brass.
premillennially — from a premillennial point of view
premodification — an act or instance of modifying.
prerequirements — that which is required; a thing demanded or obligatory: One of the requirements of the job is accuracy.
presbyterianism — church government by presbyters or elders, equal in rank and organized into graded administrative courts.
presentationism — the doctrine that in perception, or in all forms of knowledge, there is an immediate awareness of the things perceived.
preservationism — a person who advocates or promotes preservation, especially of wildlife, natural areas, or historical places.
preview monitor — (in a television studio control room) a picture monitor used for inspecting a picture source before it is switched to transmission
prima ballerina — the principal ballerina in a ballet company.
primary contact — a communication or relationship between people that is characterized by intimacy and personal familiarity.
primary feather — any of the flight feathers growing from the manus of a bird's wing
primary insurer — A primary insurer is the insurance company that first sells insurance to a client, who later purchases reinsurance.
primary process — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
primary product — a product consisting of a natural raw material; an unmanufactured product
primary quality — any of the qualities inherent in an object, namely quantity, extent, figure, solidity, and motion or rest.
primary rainbow — the most commonly seen rainbow, formed by light rays that undergo a single internal reflection in a drop of water.
primary sealing — Primary sealing is devices used for sealing tanks, to reduce emissions, often made of foam.
primary storage — main memory
primary teacher — a teacher in a primary school
primary winding — an induction coil that is the part of an electric circuit in which a changing current induces a current in a neighbouring circuit
primo de rivera — Miguel [mee-gel] /miˈgɛl/ (Show IPA), Marqués de Estella [mahr-kes th e es-te-lyah] /mɑrˈkɛs ðɛ ɛsˈtɛ lyɑ/ (Show IPA), (Miguel Prima de Rivera y Orbaneja) 1870–1930, Spanish general and political leader: dictator of Spain 1923–29.
primordial soup — the seas and atmosphere as they existed on earth before the existence of life, consisting primarily of an oxygen-free gaseous mixture containing chiefly water, hydrogen, methane, ammonia, and carbon dioxide.
primrose family — the plant family Primulaceae, characterized by herbaceous plants having simple, opposite, whorled, or basal leaves, flowers with a five-lobed corolla, and capsular fruit, and including cyclamen, loosestrife of the genus Lysimachia, pimpernel, primrose, and shooting star.
primrose yellow — primrose (def 3).
prince charming — (sometimes lowercase) a man who embodies a woman's romantic ideal.

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