15-letter words containing p, r, a, e, n
- a cracking pace — If you say that someone or something is moving at a cracking pace, you mean that they are moving very quickly.
- absorption edge — a discontinuity in the graph of the absorption coefficient of a substance plotted against the wavelength of x-rays being absorbed, representing the minimum energy necessary to free electrons from particular shells of the atoms of the substance.
- acceptance race — allowance race.
- accordion pleat — one of a series of narrow, evenly spaced parallel pleats with alternating raised and recessed folds set into cloth or other material, usually by a commercial pleating machine.
- accrued expense — an expense incurred but not yet paid, as accrued interest on notes payable.
- actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
- action reporter — a news reporter who reports to the public on matters of special interest to the consumer.
- acyclic terpene — (originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants.
- adoption papers — documentation relating to the adoption of a particular child
- adrenoreceptors — Plural form of adrenoreceptor.
- aerial pingpong — Australian Rules football
- aeroplane cloth — a strong fabric made from cotton, linen, and nylon yarns, used for some light aircraft fuselages and wings
- aix-en-provence — a city and spa in SE France: the medieval capital of Provence. Pop: 145 721 (2006)
- alexandroupolis — a port in NE Greece, in W Thrace. Pop: 52 720 (2001 est)
- algerian stripe — a fabric woven with alternate stripes of coarse cotton and silk, usually cream-colored.
- allyl mercaptan — a colorless liquid, C 3 H 6 S, having a strong, garlicky odor, used in the manufacture of pharmaceuticals.
- alpha geminorum — Castor
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- american copper — a malleable, ductile, metallic element having a characteristic reddish-brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; atomic weight: 63.54; atomic number: 29; specific gravity: 8.92 at 20°C.
- american empire — a style of American furniture making and related crafts from c1815 to c1840, corresponding to the French Empire and late English Regency styles.
- american ipecac — a plant, Gillenia stipulata, of the rose family, of the eastern coast of the U.S., having white flowers on long stalks.
- amyl propionate — a colorless liquid, C 8 H 16 O 2 , having an applelike odor, used chiefly as a scent in the manufacture of flavorings and perfume.
- analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
- anamorphic lens — a component in the optical system of a film projector for converting standard 35mm film images into wide-screen format
- anchorage point — a point to which something such as the straps securing a childseat can be safely attached
- andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
- aneroid capsule — a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.
- angel's-trumpet — any of several plants belonging to the genera Brugmansia and Datura, of the nightshade family, having large, trumpet-shaped flowers in a variety of colors.
- angina pectoris — a sudden intense pain in the chest, often accompanied by feelings of suffocation, caused by momentary lack of adequate blood supply to the heart muscle
- angle of repose — the maximum angle to the horizontal at which rocks, soil, etc, will remain without sliding
- annular eclipse — an eclipse of the sun in which the moon does not cover the entire disc of the sun, so that a ring of sunlight surrounds the shadow of the moon
- antarctic plate — a major tectonic division of the earth's crust, comprising Antarctica and adjacent ocean basins (the South Indian, Southeast Pacific, and Atlantic-Indian basins) and bounded on the north by the Nazca, South American, African, Indo-Australian, and Pacific plates.
- anteprohibition — before prohibition.
- anteroposterior — Relating to or directed toward both front and back.
- anthropocentric — regarding man as the most important and central factor in the universe
- anthropogenesis — the study of the origins of man
- anthropometrics — the science of measuring the size and proportions of the human body (called anthropometry), especially as applied to the design of furniture and machines.
- anthropophagite — a cannibal
- anti-censorship — the act or practice of censoring.
- anti-depressant — An anti-depressant is a drug which is used to treat people who are suffering from depression.
- anti-productive — having the power of producing; generative; creative: a productive effort.
- anti-republican — of, relating to, or of the nature of a republic.
- anti-separatist — a person who separates, withdraws, or secedes, as from an established church.
- antidepressants — of or relating to a substance that is used in the treatment of mood disorders, as characterized by various manic or depressive affects.
- antiperistalses — Plural form of antiperistalsis.
- antiperistalsis — contractions of the intestine that force the contents in the opposite direction to the normal
- antiperistaltic — reversed peristaltic action of the intestines, by which their contents are carried upward.
- antiperspirants — Plural form of antiperspirant.
- antiprogressive — opposed to or acting against progression in society
- apartment block — building: flats, apartments
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