| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| placableness | noun | The quality of being placable. |
| placentation | noun | The mode of formation of the placenta in different animals; as, the placentation of mammals., The mode in which the placenta is arranged or composed; as, axile placentation; parietal placentation. |
| placentiform | adjective | Having the shape of a placenta, or circular thickened disk somewhat thinner about the middle. |
| placodermata | noun pl. | Same as Placodermi. |
| plagiarizing | present participle & vb. noun | of Plagiarize |
| plagiotropic | adjective | Having the longer axis inclined away from the vertical line. |
| plain-spoken | adjective | Speaking with plain, unreserved sincerity; also, spoken sincerely; as, plain-spoken words. |
| planifolious | adjective | Flat-leaved. |
| planipennate | adjective | Of or pertaining to Planipennia. |
| planispheric | adjective | Of or pertaining to a planisphere. |
| plano-convex | adjective | Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens. |
| plant-eating | adjective | Eating, or subsisting on, plants; as, a plant-eating beetle. |
| plastography | noun | The art of forming figures in any plastic material., Imitation of handwriting; forgery. |
| plate-gilled | adjective | Having flat, or leaflike, gills, as the bivalve mollusks. |
| plathelminth | noun | One of the Platyelminthes. |
| platonically | adverb | In a Platonic manner. |
| plattdeutsch | noun | The modern dialects spoken in the north of Germany, taken collectively; modern Low German. See Low German, under German. |
| platycnemism | noun | Lateral flattening of the tibia. |
| platycoelian | adjective | Flat at the anterior and concave at the posterior end; — said of the centra of the vertebrae of some extinct dinouaurs. |
| plausibility | noun | Something worthy of praise., The quality of being plausible; speciousness., Anything plausible or specious. |
| plausibleize | verb t. | To render plausible. |
| pleasantness | noun | The state or quality of being pleasant. |
| pleasantries | plural | of Pleasantry |
| pleasureless | adjective | Devoid of pleasure. |
| plebeianized | imp. & past participle | of Plebeianize |
| plebiscitary | adjective | Of or pertaining to plebiscite. |
| plectognathi | noun pl. | An order of fishes generally having the maxillary bone united with the premaxillary, and the articular united with the dentary. |
| plenipotence | noun | Alt. of Plenipotency |
| plenipotency | noun | The quality or state of being plenipotent. |
| pleomorphism | noun | The property of crystallizing under two or more distinct fundamental forms, including dimorphism and trimorphism., The theory that the various genera of bacteria are phases or variations of growth of a number of Protean species, each of which may exhibit, according to undetermined conditions, all or some of the forms characteristic of the different genera and species. |
| pleomorphous | adjective | Having the property of pleomorphism. |
| pleonastical | adjective | Of or pertaining to pleonasm; of the nature of pleonasm; redundant. |
| plesiosauria | noun pl. | An extinct order of Mesozoic marine reptiles including the genera Plesiosaurus, and allied forms; — called also Sauropterygia. |
| plesiosaurus | noun | A genus of large extinct marine reptiles, having a very long neck, a small head, and paddles for swimming. It lived in the Mesozoic age. |
| pleurenchyma | noun | A tissue consisting of long and slender tubular cells, of which wood is mainly composed. |
| pleurobranch | noun | Any one of the gills of a crustacean that is attached to the side of the thorax. |
| pleurocarpic | adjective | Alt. of Pleurocarpous |
| plicidentine | noun | A form of dentine which shows sinuous lines of structure in a transverse section of the tooth. |
| ploughwright | noun | One who makes or repairs plows. |
| plumbaginous | adjective | Resembling plumbago; consisting of, or containing, plumbago; as, a plumbaginous slate. |
| plumbiferous | adjective | Producing or containing lead. |
| plumulaceous | adjective | Downy; bearing down. |
| plurifarious | adjective | Of many kinds or fashions; multifarious. |
| pluriliteral | adjective | Consisting of more letters than three., A pluriliteral word. |
| plurilocular | adjective | Having several cells or loculi, having several divisions containing seeds; as, the lemon and the orange are plurilocular fruits. |
| pluripartite | adjective | Deeply divided into several portions. |