15-letter words containing a, p, t, e, r, y
- actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
- acyclic terpene — (originally) any of a class of monocyclic hydrocarbons of the formula C 10 H 16 , obtained from plants.
- air-superiority — designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
- allotetraploidy — the condition of being an allotetraploid
- allyl mercaptan — a colorless liquid, C 3 H 6 S, having a strong, garlicky odor, used in the manufacture of pharmaceuticals.
- 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.
- artillery plant — any of various tropical urticaceous plants of the genus Pilea, such as P. microphylla, all having stamens that discharge their pollen explosively
- astrophotometry — the measurement of the intensity of light of celestial objects.
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- autostereoscopy — The display of stereoscopic images without the use of special viewing equipment.
- autotetraploidy — the generation of the tetraploid state, created by the fusing of two nuclei from the same species
- battleship gray — a subdued bluish gray.
- bayeux tapestry — an 11th- or 12th-century embroidery in Bayeux, nearly 70.5 m (231 ft) long by 50 cm (20 inches) high, depicting the Norman conquest of England
- bias (ply) tire — a motor vehicle tire having a foundation of plies of rubberized cords in a crisscross pattern of lines diagonal to the center line of the tread
- buryat republic — a constituent republic of SE central Russia, on Lake Baikal: mountainous, with forests covering over half the total area. Capital: Ulan-Ude. Pop: 981 000 (2002). Area: 351 300 sq km (135 608 sq miles)
- butler's pantry — a pantry in a large house where crockery, glassware, cutlery, etc is kept
- cassette player — A cassette player is a machine that is used for playing cassettes and sometimes also recording them.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chryse planitia — a plain on Mars, the landing site of the Viking I spacecraft.
- complementarily — In a complementary manner.
- complementarity — a state or system that involves complementary components
- complimentarily — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- contemporaneity — living or occurring during the same period of time; contemporary.
- couples therapy — a counseling procedure that attempts to improve the adaptation and adjustment of two people who form a conjugal unit.
- credibility gap — A credibility gap is the difference between what a person says or promises and what they actually think or do.
- crossopterygian — any bony fish of the subclass Crossopterygii, having fleshy limblike pectoral fins. The group, now mostly extinct, contains the ancestors of the amphibians
- cryoprecipitate — a precipitate obtained by controlled thawing of a previously frozen substance. Factor VIII, for treating haemophilia, is often obtained as a cryoprecipitate from frozen blood
- cryoprotectants — Plural form of cryoprotectant.
- dadchelor party — a party primarily attended by men and held to honour and present gifts to a prospective father
- 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.
- decipherability — to make out the meaning of (poor or partially obliterated writing, etc.): to decipher a hastily scribbled note.
- dephosphorylate — to remove a phosphate group from (an organic compound)
- depletion layer — a region at the interface between dissimilar zones of conductivity in a semiconductor, in which there are few charge carriers
- dermatoglyphics — the lines forming a skin pattern, esp on the palms of the hands and soles of the feet
- dermatophytosis — a fungal infection of the skin, esp the feet
- disreputability — The state of being disreputable.
- dixiecrat party — States' Rights Democratic Party.
- early-type star — any massive hot star of spectral type O, B, or A
- egyptian clover — a Mediterranean clover, Trifolium alexandrinum, grown as a forage crop and to improve the soil in the southwestern US and the Nile valley
- egyptian jasper — a type of jasper, generally with zones of colour, found in desert regions of Egypt
- electromyograph — A device used in electromyography to generate electromyograms.
- enumerated type — (programming) (Or "enumeration") A type which includes in its definition an exhaustive list of possible values for variables of that type. Common examples include Boolean, which takes values from the list [true, false], and day-of-week which takes values [Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday]. Enumerated types are a feature of strongly typed languages, including C and Ada. Characters, (fixed-size) integers and even floating-point types could be (but are not usually) considered to be (large) enumerated types.
- epicyclic train — a cluster of gears consisting of a central gearwheel with external teeth (the sun), a coaxial gearwheel of greater diameter with internal teeth (the annulus), and one or more planetary gears engaging with both of them to provide a large gear ratio in a compact space
- fair employment — the policy or practice of employing people on the basis of their capabilities only, without regard to race, color, religion, sex, national origin, age, or disability.
- fairy footsteps — heavy footsteps
- family practice — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
- football player — sportsperson: plays football
- for pity's sake — You can say for pity's sake to add emphasis to what you are saying, especially when you are annoyed or upset.
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