13-letter words containing p, a, r, o
- port-of-spain — (used with a plural verb) two islands in the N Atlantic Ocean, off the NE coast of Venezuela.
- portal system — a vascular arrangement in which blood from the capillaries of one organ is transported to the capillaries of another organ by a connecting vein or veins.
- porte-monnaie — a purse or pocketbook
- portrait lens — a lens of moderately long focal length that is used, especially in portrait photography, to produce soft-focus images.
- portrait mode — an orientation that is vertical rather than horizontal
- posix threads — (programming) (Pthreads) A POSIX standard API that defines a set of C programming language types, functions and constants for creating and manipulating pre-emptive threads. The standard's full name is "POSIX.1c, Threads extensions (IEEE Std 1003.1c-1995)". Implementations are available on many Unix-like POSIX-conformant operating systems such as FreeBSD, NetBSD, OpenBSD, GNU/Linux, Mac OS X and Solaris as well as DR-DOS and Microsoft Windows. Pthreads was designed and implemented in the PART Project (POSIX / Ada-Runtime Project).
- possessionary — of, relating to, or characterized by possession
- post-cambrian — Geology. noting or pertaining to a period of the Paleozoic Era, occurring from 570 million to 500 million years ago, when algae and marine invertebrates were the predominant form of life.
- post-contract — an agreement between two or more parties for the doing or not doing of something specified.
- post-freudian — of or relating to Sigmund Freud or his doctrines, especially with respect to the causes and treatment of neurotic and psychopathic states, the interpretation of dreams, etc.
- post-graduate — of, pertaining to, characteristic of, or consisting of post-graduates: a postgraduate seminar.
- post-marriage — (broadly) any of the diverse forms of interpersonal union established in various parts of the world to form a familial bond that is recognized legally, religiously, or socially, granting the participating partners mutual conjugal rights and responsibilities and including, for example, opposite-sex marriage, same-sex marriage, plural marriage, and arranged marriage: Anthropologists say that some type of marriage has been found in every known human society since ancient times. See Word Story at the current entry.
- post-prandial — after a meal, especially after dinner: postprandial oratory; a postprandial brandy.
- post-socratic — of or relating to Socrates or his philosophy, followers, etc., or to the Socratic method.
- post-tertiary — denoting or formed after the Tertiary period of geological time
- postage meter — an office machine used in bulk mailing that imprints prepaid postage and a dated postmark.
- postage rates — the rates charged for the delivery of mail, depending on type, weight etc
- postauricular — of or relating to the ear or to the sense of hearing; aural.
- postconciliar — occurring or continuing after the Vatican ecumenical council of 1962–65.
- postcranially — affecting the postcranium
- posterization — a process for producing a posterlike, high-contrast color reproduction from continuous-tone art by using separation negatives of various densities.
- postinaugural — of or relating to the period after an inauguration
- postlapsarian — occurring or being after the Fall.
- postmenstrual — of or relating to menstruation or to the menses.
- postoperative — occurring after a surgical operation.
- postsecondary — of or relating to education beyond high school: She completed her postsecondary education at a two-year college.
- posttraumatic — occurring after physical or psychological trauma.
- posttreatment — an act or manner of treating.
- postvertebral — of or relating to a vertebra or the vertebrae; spinal.
- potato eaters — a painting (1885) by Vincent Van Gogh.
- potato peeler — a special knife used to peel the skin from potatoes or other vegetables
- potato-masher — a kitchen implement used to crush or mash potatoes
- potomac fever — the determination or fervor to share in the power and prestige of the U.S. government in Washington, D.C., especially by being appointed or elected to a government position.
- potomac river — a river flowing SE from the Allegheny Mountains in West Virginia, along the boundary between Maryland and Virginia to the Chesapeake Bay. 287 miles (460 km) long.
- potter around — If you potter around or potter about, you do pleasant but unimportant things, without hurrying.
- potter's clay — a clay, suitably plastic and free of iron and other impurities, for use by potters.
- potty trained — Potty trained means the same as toilet trained.
- poulard wheat — a Mediterranean wheat, Triticum turgidum, grown as a forage crop in the U.S.
- pouring-basin — (in a vacuum induction furnace) a trough through which molten metal flows under vacuum to a mold chamber.
- powder charge — propellant (def 2).
- power failure — electricity outage
- power forward — a forward valued chiefly for aggressive rebounding capability, rather than scoring, and thus a big, physically strong player.
- power loading — the act of a person or thing that loads.
- power station — a generating station.
- power takeoff — an accessory unit or apparatus attached to an engine-powered machine and powered by the engine. Abbreviation: PTO.
- power walking — a form of exercise that involves rapid walking with arms bent and swinging naturally.
- power-sharing — Power-sharing is a political arrangement in which different or opposing groups all take part in government together.
- praecipitatio — Meteorology. precipitation from a cloud that reaches the surface of the earth (distinguished from virga).
- praetorianism — the control of a society by force or fraud, especially when exercised through titular officials and by a powerful minority.
- prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.