12-letter words containing n, o, p, a, r
- perforations — the holes punched that allow individual stamps, coupons, etc to be easily separated
- perinatology — a field of medicine focusing on problems emerging during the perinatal period.
- peritoneally — through the peritoneum
- pernoctation — the act of staying all night in a place, esp for prayer or as a vigil
- perorational — of, pertaining to, or characteristic of a peroration
- peroxidation — a type of reaction in which oxygen atoms are formed leading to the production of peroxides. It is stimulated in the body by certain toxins and infections
- perpetration — to commit: to perpetrate a crime.
- perpetuation — to make perpetual.
- persian knot — a hand-tied knot, used in rug weaving, in which the ends of yarn looped around a warp thread appear at each of the interstices between adjacent threads and produce a compact and relatively even pile effect.
- personalised — to have marked with one's initials, name, or monogram: to personalize stationery.
- personalized — customized
- personalness — of, relating to, or coming as from a particular person; individual; private: a personal opinion.
- perspiration — a salty, watery fluid secreted by the sweat glands of the skin, especially when very warm as a result of strenuous exertion; sweat.
- pertinacious — holding tenaciously to a purpose, course of action, or opinion; resolute.
- perturbation — the act of perturbing.
- petrifaction — the act or process of petrifying; the state of being petrified.
- petrobrusian — a member of a 12th-century sect in S France that rejected the Mass, infant baptism, prayers for the dead, sacerdotalism, the veneration of the cross, and the building of churches.
- petrobutanol — butyl alcohol.
- phanerogamic — any of the Phanerogamia, a former primary division of plants comprising those having reproductive organs; a flowering plant or seed plant (opposed to cryptogam).
- phanerophyte — a tree or shrub that bears its perennating buds more than 25 cm above the level of the soil
- pharyngology — the science of the pharynx and its diseases.
- pharyngotomy — surgical incision into the pharynx
- philanthropy — altruistic concern for human welfare and advancement, usually manifested by donations of money, property, or work to needy persons, by endowment of institutions of learning and hospitals, and by generosity to other socially useful purposes.
- philharmonic — fond of or devoted to music; music-loving: used especially in the name of certain musical societies that sponsor symphony orchestras (Philharmonic Societies) and hence applied to their concerts (philharmonic concerts)
- phone phreak — a person who uses computers or other electronic devices to place long-distance telephone calls without paying toll charges.
- phonographic — of, relating to, or characteristic of a phonograph.
- photoengrave — to make a photoengraving of.
- photonuclear — of, relating to, or caused by the collision of high-energy photons with the nucleus of an atom.
- phrasemonger — phrasemaker (def 2).
- piano player — pianist.
- picornavirus — any of a group of small, RNA-containing viruses of the family Picornaviridae, infectious to humans and other animals, and including the poliovirus and the rhinoviruses that cause the common cold.
- picrocarmine — a red powder containing carmine and picric acid which is used in staining processes
- pig-ignorant — extremely ignorant or unknowledgeable
- pigeon grape — a high-climbing vine, Vitis aestivalis, of the eastern U.S., having leaves that are dull above and rusty beneath, and bearing black, edible fruit.
- pindaric ode — an ode consisting of several units, each of which is composed of a strophe and an antistrophe of identical form followed by a contrasting epode.
- placentiform — shaped like a placenta, with a flat rounded form
- planographic — the art or technique of printing from a flat surface directly or by offset.
- player piano — a piano that can play automatically when the keys are actuated electronically or by a pneumatic device controlled by a piano roll.
- pneumography — the process of recording the movements of the thorax in respiration.
- pneumothorax — the presence of air or gas in the pleural cavity.
- poetastering — the profession of being a poetaster
- pogonophoran — any member of the small phylum Pogonophora, slender tentacled animals having a tubelike outer covering, living on the deep ocean bottom.
- pogson ratio — the brightness ratio of two celestial objects that differ by one magnitude. On the Pogson scale a difference of 5 magnitudes is defined as a difference of 100 in the intensities of two stars; therefore a difference of 1 magnitude is equal to the fifth root of 100, i.e. 2.512
- point charge — an electric charge considered to exist at a single point, and thus having neither area nor volume.
- point spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- point-spread — a betting device, established by oddsmakers and used to attract bettors for uneven competitions, indicating the estimated number of points by which a stronger team can be expected to defeat a weaker team, the point spread being added to the weaker team's actual points in the game and this new figure then compared to the stronger team's points to determine winning bets.
- pointed arch — an arch having a pointed apex.
- polar wander — the movement of the earth's magnetic poles with respect to the geographic poles
- polarization — a sharp division, as of a population or group, into opposing factions.
- pollen grain — a single granule of pollen.