11-letter words containing a, p, e, r
- plane crash — an accident in which an aircraft hits land or water and is damaged or destroyed
- 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.
- 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
- 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.
- plasterwork — finish or ornamental work done in plaster.
- 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 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.
- 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.
- 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
- pleasurable — such as to give pleasure; enjoyable; agreeable; pleasant: a pleasurable experience.
- pleasureful — the state or feeling of being pleased.
- plecopteran — Also, plecopterous. belonging or pertaining to the insect order Plecoptera, comprising the stoneflies.
- 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.
- ploughshare — the horizontal pointed cutting blade of a mouldboard plough
- pluriserial — having many series or rows
- pneudraulic — of or relating to a mechanism involving both pneumatic and hydraulic action.
- pneumograph — a device for recording graphically the respiratory movements of the thorax.
- pocket park — a very small park or outdoor area for public leisure, especially an urban plaza or courtyard with benches and fountains.
- pococurante — a careless or indifferent person.
- poetry slam — a violent and noisy closing, dashing, or impact.
- point after — a score given for a successful kick between the goalposts and above the crossbar, following a touchdown
- poke around — to prod or push, especially with something narrow or pointed, as a finger, elbow, stick, etc.: to poke someone in the ribs.
- poker-faced — an expressionless face: He can tell a funny story with a poker face.
- polar angle — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
- polarimeter — an instrument for measuring the amount of light received from a given source as a function of its state of polarization.
- polariscope — an instrument for measuring or exhibiting the polarization of light or for examining substances in polarized light, often to determine stress and strain in glass and other substances.
- polarizable — to cause polarization in.
- pole hammer — a shafted weapon having a spiked hammer head.
- poles apart — each of the extremities of the axis of the earth or of any spherical body.
- policymaker — a person responsible for making policy, especially in government.
- politbureau — (often lowercase) the executive committee and chief policymaking body of a Communist Party.
- polygrapher — a person who employs a code cipher
- polynuclear — having many nuclei.
- polysorbate — any of a class of emulsifying and dispersing agents used in various foods and pharmaceutical preparations.
- polyspermia — the secretion of an excessive amount of semen.