15-letter words containing a, i, r, d, o, p
- absorption band — a dark band in the absorption spectrum of a substance, corresponding to a range of wavelengths for which the substance absorbs more strongly than at adjacent wavelengths.
- 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.
- 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.
- adjective group — An adjective group or adjectival group is a group of words based on an adjective, such as 'very nice' or 'interested in football'. An adjective group can also consist simply of an adjective.
- adoption papers — documentation relating to the adoption of a particular child
- airing cupboard — In British houses, an airing cupboard is a warm cupboard where you put clothes and other things that have been washed and partly dried, to make sure they are completely dry.
- alexandroupolis — a port in NE Greece, in W Thrace. Pop: 52 720 (2001 est)
- allotetraploidy — the condition of being an allotetraploid
- alpha radiation — alpha particles emitted from a radioactive isotope
- ambassadorships — Plural form of ambassadorship.
- amphiarthrodial — a joint permitting only slight motion, as that between the vertebrae.
- 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.
- anti-productive — having the power of producing; generative; creative: a productive effort.
- antiaphrodisiac — something that represses sexual desire
- anticardiolipin — (medicine, immunology) Directed against cardiolipin.
- aphrodite terra — a large plateau region that stretches approximately halfway around the middle latitude of Venus.
- apollo asteroid — one of a number of asteroids whose orbits cross that of the earth.
- apple-pie order — perfect order or condition
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- autoradiographs — Plural form of autoradiograph.
- autoradiography — the technique or process of making autoradiographs.
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
- barium peroxide — a gray-white powder, BaO2, used as a bleach and in making hydrogen peroxide
- billiard parlor — poolroom (def 1).
- bird of passage — If you refer to someone as a bird of passage, you mean that they are staying in a place for a short time before going to another place.
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- break-in period — a period during which certain restrictions or moderation in operating should be followed, as the avoidance of high speed, rapid acceleration, or severe braking for a new automobile.
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- cardinal points — the four main points of the compass: north, south, east, and west
- cardiopulmonary — of, relating to, or affecting the heart and lungs
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- chromium-plated — having been plated with chromium
- cinematographed — a motion-picture projector.
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- computer dating — the use of computers by dating agencies to match their clients
- corn-leaf aphid — a green aphid, Rhopalosiphum maidis, widely distributed in the U.S.: a pest of corn and other grasses.
- corn-root aphid — an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest.
- critical period — a period in a lifetime during which a specific stage of development usually occurs. If it fails to do so, it cannot readily occur afterwards
- cyanide process — a process for recovering gold and silver from ores by treatment with a weak solution of sodium cyanide
- daguerreotyping — Present participle of daguerreotype.
- daguerreotypist — an obsolete photographic process, invented in 1839, in which a picture made on a silver surface sensitized with iodine was developed by exposure to mercury vapor.
- dark adaptation — the adaptation of the eye to vision in the dark by dilation of the pupil, increased sensitivity of the retina, etc.
- data processing — Data processing is the series of operations that are carried out on data, especially by computers, in order to present, interpret, or obtain information.
- data protection — (in Britain) safeguards for individuals relating to personal data stored on a computer
- demographically — of or relating to demography, the science of vital and social statistics.
- depersonalizing — Present participle of depersonalize.
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