11-letter words containing a, p, e, l
- planetarium — an apparatus or model representing the planetary system.
- planetology — the branch of astronomy that deals with the physical features of the planets.
- 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-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.
- 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.
- 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.
- 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.
- plasterwork — finish or ornamental work done in plaster.
- 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.
- 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.
- platycnemia — (in the shinbone) the state of being laterally flattened.
- platyrrhine — Anthropology. having a broad, flat-bridged nose.
- play by ear — a dramatic composition or piece; drama.
- play-centre — a regular meeting of small children arranged by their parents or a welfare agency to give them an opportunity of supervised creative play
- playfulness — full of play or fun; sportive; frolicsome.
- pleasurable — such as to give pleasure; enjoyable; agreeable; pleasant: a pleasurable experience.
- pleasureful — the state or feeling of being pleased.
- plebeianism — belonging or pertaining to the common people.
- plebeianize — to make popular or vulgar
- plecopteran — Also, plecopterous. belonging or pertaining to the insect order Plecoptera, comprising the stoneflies.
- plectognath — belonging to the Plectognathi, a group or order of fishes having the teeth fused into a beak and thick, often spiny, scaleless skin, and including the filefish, globefish, puffer, and triggerfish.
- pleinairism — pertaining to a manner or style of painting developed chiefly in France in the mid-19th century, characterized by the representation of the luminous effects of natural light and atmosphere as contrasted with the artificial light and absence of the sense of air or atmosphere associated with paintings produced in the studio.
- plerophoria — full conviction
- pleurodynia — pain in the chest or side.
- plisetskaya — Maya (Mikhailovna) [mah-yuh myi-khahy-luh v-nuh] /ˈmɑ yə myɪˈxaɪ ləv nə/ (Show IPA), 1925–2015, Soviet ballet dancer.
- ploughshare — the horizontal pointed cutting blade of a mouldboard plough
- plunge bath — a bath large enough to immerse the whole body or to dive into
- pluriserial — having many series or rows
- pneudraulic — of or relating to a mechanism involving both pneumatic and hydraulic action.