12-letter words containing i, r, t, a, o, n
- 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.
- 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.
- pig-ignorant — extremely ignorant or unknowledgeable
- placentiform — shaped like a placenta, with a flat rounded form
- poetastering — the profession of being a poetaster
- 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.
- polarization — a sharp division, as of a population or group, into opposing factions.
- pontificator — the office or term of office of a pontiff.
- porcelainite — Mineralogy. mullite.
- porcellanite — hard and dense rock resembling unglazed porcelain
- port alberni — a port in SW British Columbia, in SW Canada, on the E central part of Vancouver Island, on an inlet of the Pacific Ocean.
- port captain — an official in charge of the harbor activities of a seaport.
- postabortion — Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy.
- poster paint — an opaque, water-based, typically bright-colored paint with a glue-size or gum binder, that is suitable for use on posters and is usually packaged in jars.
- postliminary — of or relating to postliminy
- postmeridian — of or relating to the afternoon.
- postprandial — after a meal, especially after dinner: postprandial oratory; a postprandial brandy.
- postromantic — of or relating to the period after Romanticism
- powerboating — a boat propelled by mechanical power.
- practitioner — a person engaged in the practice of a profession, occupation, etc.: a medical practitioner.
- pratincolous — living in a meadow.
- pre-creation — the act of producing or causing to exist; the act of creating; engendering.
- pre-rational — agreeable to reason; reasonable; sensible: a rational plan for economic development.
- precognizant — having prior cognizance or knowledge of a given thing
- prefloration — the internal arrangement of a flower-bud's petals and sepals before it opens
- prefoliation — the arrangement of leaves within a vegetative bud
- preformation — previous formation.
- pregustation — the act of tasting beforehand
- prehistorian — an authority on or specialist in prehistory
- premigration — occurring before migration
- prenegotiate — to discuss before a formal negotiation
- preparations — measures done in order to prepare for something; provisions
- presentation — an act of presenting.
- preservation — to keep alive or in existence; make lasting: to preserve our liberties as free citizens.
- primogenital — relating to primogeniture
- privatdocent — (in German and certain other universities) a private teacher or lecturer recognized by the university but receiving no compensation from it, being remunerated by fees.
- privatdozent — (in German and certain other universities) a private teacher or lecturer recognized by the university but receiving no compensation from it, being remunerated by fees.
- probationary — the act of testing.
- proclamation — something that is proclaimed; a public and official announcement.
- productional — the act of producing; creation; manufacture.
- progradation — seaward growth of a beach, delta, fan, etc., by progressive deposition of sediment by rivers or shoreline processes.
- prolongation — the act of prolonging: the prolongation of a line.
- promethazine — a phenothiaxine derivative, C 1 7 H 2 0 N 2 S, used for the symptomatic relief of allergies and in the management of motion sickness.