| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| placarding | present participle & vb. noun | of Placard |
| placentary | adjective | Having reference to the placenta; as, the placentary system of classification. |
| placidness | noun | The quality or state of being placid. |
| placodermi | noun pl. | An extinct group of fishes, supposed to be ganoids. The body and head were covered with large bony plates. See Illust. under Pterichthys, and Coccosteus. |
| placoidian | noun | One of the placoids. |
| placophora | noun pl. | A division of gastropod Mollusca, including the chitons. The back is covered by eight shelly plates. Called also Polyplacophora. See Illust. under Chiton, and Isopleura. |
| plagiarism | noun | The act or practice of plagiarizing., That which plagiarized. |
| plagiarist | noun | One who plagiarizes; or purloins the words, writings, or ideas of another, and passes them off as his own; a literary thief; a plagiary. |
| plagiarize | verb t. | To steal or purloin from the writings of another; to appropriate without due acknowledgement (the ideas or expressions of another). |
| plagiaries | plural | of Plagiary |
| plagionite | noun | A sulphide of lead and antimony, of a blackish lead-gray color and metallic luster. |
| plagueless | adjective | Free from plagues or the plague. |
| plain-laid | adjective | Consisting of strands twisted together in the ordinary way; as, a plain-laid rope. See Illust. of Cordage. |
| plaintless | adjective | Without complaint; unrepining. |
| planarioid | adjective | Like the planarians. |
| planchette | noun | A circumferentor. See Circumferentor., A small tablet of wood supported on casters and having a pencil attached. The characters produced by the pencil on paper, while the hand rests on the instrument and it is allowed to move, are sometimes translated as of oracular or supernatural import. |
| planetical | adjective | Of or pertaining to planets. |
| plane tree | Same as 1st Plane. | |
| planimeter | noun | An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding line; a platometer. |
| planimetry | noun | The mensuration of plane surfaces; — distinguished from stereometry, or the mensuration of volumes. |
| planishing | present participle & vb. noun | of Planish, a. & vb. n. from Planish, v. t. |
| planoblast | noun | Any free-swimming gonophore of a hydroid; a hydroid medusa. |
| planometer | noun | An instrument for gauging or testing a plane surface. See Surface gauge, under Surface. |
| planometry | noun | The art or process of producing or gauging a plane surface. |
| plantation | noun | The act or practice of planting, or setting in the earth for growth., The place planted; land brought under cultivation; a piece of ground planted with trees or useful plants; esp., in the United States and West Indies, a large estate appropriated to the production of the more important crops, and cultivated by laborers who live on the estate; as, a cotton plantation; a coffee plantation., An original settlement in a new country; a colony. |
| plant-cane | noun | A stalk or shoot of sugar cane of the first growth from the cutting. The growth of the second and following years is of inferior quality, and is called rattoon. |
| plasmation | noun | The act of forming or molding. |
| plasmature | noun | Form; mold. |
| plasmodial | adjective | Of or pertaining to, or like, a plasmodium; as, the plasmodial form of a life cycle. |
| plasmodium | noun | A jellylike mass of free protoplasm, without any union of amoeboid cells, and endowed with life and power of motion., A naked mobile mass of protoplasm, formed by the union of several amoebalike young, and constituting one of the stages in the life cycle of Mycetozoa and other low organisms. |
| plastering | present participle & vb. noun | of Plaster, Same as Plaster, n., 2., The act or process of overlaying with plaster., A covering of plaster; plasterwork. |
| plasticity | noun | The quality or state of being plastic., Plastic force. |
| plastidule | noun | One of the small particles or organic molecules of protoplasm. |
| platetrope | noun | One of a pair of a paired organs. |
| platinized | imp. & past participle | of Platinize |
| platometer | noun | See Planimeter. |
| platonical | adjective | Of or pertaining to Plato, or his philosophy, school, or opinions., Pure, passionless; nonsexual; philosophical. |
| platonized | imp. & past participle | of Platonize |
| platonizer | noun | One who Platonizes. |
| platymeter | noun | An apparatus for measuring the capacity of condensers, or the inductive capacity of dielectrics. |
| platyptera | noun pl. | A division of Pseudoneuroptera including the species which have four broad, flat wings, as the termites, or white-ants, and the stone flies (Perla). |
| platyrhine | adjective | Having the nose broad; — opposed to leptorhine., One of the Platyrhini. |
| platyrhini | noun pl. | A division of monkeys, including the American species, which have a broad nasal septum, thirty-six teeth, and usually a prehensile tail. See Monkey. |
| plauditory | adjective | Applauding; commending. |
| playfellow | noun | A companion in amusements or sports; a playmate. |
| playground | noun | A piece of ground used for recreation; as, the playground of a school. |
| playwright | noun | A maker or adapter of plays. |
| playwriter | noun | A writer of plays; a dramatist; a playwright. |