12-letter words containing a, n, g, i, o
- 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.
- pigmentation — coloration, especially of the skin.
- pilot signal — a signal, as a flag or light, used to request a pilot.
- ping command — ping
- planographic — the art or technique of printing from a flat surface directly or by offset.
- plumbaginous — containing graphite.
- 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.
- poison gland — a gland in some fish and amphibians that secretes venomous material
- pole dancing — Pole dancing is a type of entertainment in a bar or club in which a woman who is wearing very few clothes dances around a pole in a sexy way.
- policymaking — a person responsible for making policy, especially in government.
- pollen grain — a single granule of pollen.
- pornographic — sexually explicit videos, photographs, writings, or the like, whose purpose is to elicit sexual arousal.
- post-weaning — to accustom (a child or young animal) to food other than its mother's milk; cause to lose the need to suckle or turn to the mother for food.
- powerboating — a boat propelled by mechanical power.
- powerwalking — a form of exercise that involves rapid walking with arms bent and swinging naturally.
- precognizant — having prior cognizance or knowledge of a given thing
- prediagnosis — Medicine/Medical. the process of determining by examination the nature and circumstances of a diseased condition. the decision reached from such an examination. Abbreviation: Dx.
- pregustation — the act of tasting beforehand
- premigration — occurring before migration
- prenegotiate — to discuss before a formal negotiation
- primogenital — relating to primogeniture
- prison guard — an officer in charge of prisoners in a jail
- prodigal son — a figure in a parable of Jesus (Luke 15:11–32); a wayward son who squanders his inheritance but returns home to find that his father forgives him.
- progradation — seaward growth of a beach, delta, fan, etc., by progressive deposition of sediment by rivers or shoreline processes.
- progymnasium — (in Europe) a school that prepares pupils for secondary education (the gymnasium)
- prolog-linda — 1. Prolog extended with Linda-style parallelism. Proc 4th Australian Conf on Artif Intell. 2. Neil MacDonald, U Edinburgh 1989. Another Prolog extended with Linda, implemented on a Computing Surface.
- prolongation — the act of prolonging: the prolongation of a line.
- promulgation — to make known by open declaration; publish; proclaim formally or put into operation (a law, decree of a court, etc.).
- proofreading — correction of text
- propagandism — the art, system, or use of propaganda
- propagandist — a person involved in producing or spreading propaganda.
- propagandize — to propagate or publicize (principles, dogma, etc.) by means of propaganda.
- propugnation — defence
- pugnaciously — inclined to quarrel or fight readily; quarrelsome; belligerent; combative.
- pulling boat — a boat propelled by oars alone.
- pyromagnetic — (formerly) thermomagnetic (def 1).
- question tag — interrogative ending to a sentence
- quindecagons — Plural form of quindecagon.
- race norming — the process of statistically adjusting the scores of minority job applicants on job-qualification tests by rating each test-taker's score against the results of others in his or her racial or ethnic group.
- racing homer — a kind of homing pigeon used for racing
- ragged robin — a plant, Lychnis flos-cuculi, of the pink family, having pink or white flowers with dissected petals.
- rainbow flag — a multicoloured flag used as a symbol of peace; often used to represent gay and lesbian pride
- ranging pole — a pole for marking positions in surveying
- reading book — a book for people who are learning to read, to help them become accustomed to looking at and understanding written words
- reading room — a room set aside for reading, as in a library or club.
- reaping hook — a curved cutting tool with a sharp edge, used in the cutting or harvesting of crops
- recognizable — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.