| PlayA play (noun) is a common literary form, usually consisting chiefly of dialog between characters, and usually intended for performance rather than reading. However, many scholars study plays in this more academic manner, particularly classical plays such | Plato's RepublicThe Republic is perhaps Plato's best-known dialogue and one of his most influential. In it, he explains, through the character of Socrates, the fundamentals of his political philosophy (presented, stylistically, via the concept of a Utopia), his ethics, a | Placebo effectThe placebo effect (also known as non-specific effects is the phenomenon that a patient's symptoms can be alleviated by an otherwise ineffective treatment, apparently because the individual expects or believes that it will work. Some people consider this |
| Playing cardA playing card is a typically hand-sized rectangular piece of heavy paper or thin plastic used for playing card games. A complete set of cards is a pack or deck . Playing cards are often used as props in magic tricks, as well as occult practices such as c | PlotterA plotter is a vector graphics printing device that connects to a computer. Plotters print their output by moving a pen across the surface of a piece of paper. This means that plotters are restricted to line art, rather than raster graphics as with other | PlantGreen algae land plants (embryophytes non-vascular embryophytes Hepatophyta liverworts Anthocerophyta hornworts Bryophyta mosses vascular plants (tracheophytes seedless vascular plants Lycopodiophyta clubmosses Equisetophyta horsetails Pteridophyta "true" |
| PloidyPloidy indicates the number of copies of the basic number of chromosomes. A haploid cell bears one set of chromosomes, a diploid cell bears two sets, and a polyploid cell bears many sets. The ploidy of cells can vary within an organism. In humans, most ce | PlayboyPlayboy is an adult entertainment magazine founded in 1953 by Hugh Hefner, which has grown into Playboy Enterprises, Inc. NYSE: PLA, PLA. A , reaching into every form of media. Playboy is one of the world's best known brands. The magazine has a carefully | PlainIn geography, a plain is a flat, largely treeless expanse of land. Plains may be more suitable for farming than plateaus or mountains. Famous plains can be found in North America and in Russia. List of famous plains: Australian Plains Indo-Gangetic plain |