11-letter words containing pla
- plane table — a surveying instrument consisting of a drawing board mounted on adjustable legs, and used in the field for plotting measurements directly
- plane-table — a drawing board mounted on a tripod, used in the field, with an alidade, for surveying tracts of land.
- planer tree — a small tree, Planera aquatica, of the elm family, growing in moist ground in the southern U.S., bearing a small, ovoid, nutlike fruit and yielding a compact light-brown wood.
- planet gear — any of the gears in an epicyclic train surrounding and engaging with the sun gear.
- planetarian — a staff member at a planetarium.
- planetarium — an apparatus or model representing the planetary system.
- planetology — the branch of astronomy that deals with the physical features of the planets.
- planigraphy — an x-ray photograph in which a given plane of the body is well defined and those above and below it purposely out of focus.
- planimetric — the measurement of plane areas.
- planisphere — a map of half or more of the celestial sphere with a device for indicating the part of a given location visible at a given time.
- plank floor — a floor made from sawed, straight-grained timber.
- plank-sheer — a plank or timber covering the upper ends of the frames of a wooden vessel
- planoconvex — pertaining to or noting a lens that is plane on one side and convex on the other.
- planogamete — a motile gamete.
- planography — the art or technique of printing from a flat surface directly or by offset.
- plant louse — aphid.
- plantagenet — a member of the royal house that ruled England from the accession of Henry II in 1154 to the death of Richard III in 1485.
- planthopper — any member of a large and varied group of homopterous insects that are related to the leafhoppers and the spittlebugs but rarely damage cultivated plants.
- plantigrade — walking on the whole sole of the foot, as humans, and bears.
- plantocracy — government by plantation owners.
- plantswoman — a nurserywoman.
- planuliform — resembling a planula
- plasma ball — a glass globe containing a low density gas and a central electrode that creates lightning-like streams of light.
- plasma cell — Anatomy. an antibody-secreting cell, derived from B cells, that plays a major role in antibody-mediated immunity.
- plasmalemma — cell membrane.
- plasmalogen — any of the class of phosphatides that contain an aldehyde of a fatty acid, found in heart and skeletal muscle, the brain, the liver, and in eggs.
- plasmapause — the boundary of the plasmasphere, where the particle density decreases very rapidly.
- plasmatical — relating to plasma
- plasminogen — the blood substance that when activated forms plasmin.
- plasmodesma — any of many minute strands of cytoplasm that extend through plant cell walls and connect adjoining cells.
- plasmolysis — contraction of the protoplasm in a living cell when water is removed by exosmosis.
- plasterwork — finish or ornamental work done in plaster.
- plastic art — an art, as sculpture, in which forms are carved or modeled.
- plastic bag — carrier bag, sack made of plastic
- plasticated — covered with a layer of plastic
- plasticizer — any of a group of substances that are used in plastics or other materials to impart viscosity, flexibility, softness, or other properties to the finished product.
- plasticware — knives, forks, spoons, cups, etc., made of plastic: a picnic hamper with plasticware for six.
- plastiqueur — a person, especially a terrorist, who makes, places, or detonates plastic bombs.
- plastometer — an instrument for measuring the plasticity of a substance.
- plate armor — armor made of thin, flat, shaped pieces of wrought iron or steel.
- plate block — a block of four or more stamps containing the number or numbers of the printing plate or plates in the margin of the sheet.
- plate glass — a soda-lime-silica glass formed by rolling the hot glass into a plate that is subsequently ground and polished, used in large windows, mirrors, etc.
- plate proof — proof taken from a plate ready for printing.
- plateholder — a lightproof container for a photographic plate, loaded into the camera with the plate and having a slide that is removed before exposing.
- platemaking — the act of making plates
- plateresque — noting or pertaining to a 16th-century style of Spanish architecture characterized by profuse applications of delicate low-relief Renaissance ornament to isolated parts of building exteriors.
- platforming — a process for reforming petroleum using a platinum catalyst
- platinotype — a process of printing positives in which a platinum salt is used, rather than the usual silver salts, in order to make a more permanent print.
- plattsburgh — a city in NE New York, on Lake Champlain: battle, 1814.
- platycnemia — (in the shinbone) the state of being laterally flattened.