15-letter words containing p, a, r, t, y
- 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
- diastrophically — in a diastrophic fashion
- disreputability — The state of being disreputable.
- dixiecrat party — States' Rights Democratic Party.
- dystrophication — the process by which a body of water becomes dystrophic.
- 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.
- free soil party — a former U.S. political party (1848–56) that opposed the extension of slavery in the Territories not yet admitted to statehood.
- geostrophically — By means of, or in terms of, geostrophy.
- gestalt therapy — holistic psychotherapy
- grand old party — G.O.P.
- grandstand play — an ostentatious play, as in a sport, overemphasized deliberately to elicit applause from spectators.
- greenback party — a former political party, organized in 1874, opposed to the retirement or reduction of greenbacks and favoring their increase as the only paper currency.
- hautes-pyrenees — a department in SW France. 1751 sq. mi. (4535 sq. km). Capital: Tarbes.
- hematoporphyria — porphyria.
- hematoporphyrin — a porphyrin made by treating haemoglobin with acid, used to treat cancer in photodynamic therapy
- humphrey bogart — Humphrey (DeForest) ("Bogie"or"Bogey") 1899–57, U.S. motion-picture actor.
- hydropathically — in a hydropathic manner; in a manner relating to hydropathy
- hydroxylapatite — Alternative spelling of hydroxyapatite.
- hyetometrograph — an instrument used to record rainfall
- hype-carbonated — (of a product or service) overvalued as a result of relentless marketing and PR or intensive media exposure
- hyper-emotional — pertaining to or involving emotion or the emotions.
- hyperactivation — (biology) A form of sperm motility associated with active beating of the flagellum.
- hyperactiveness — The state or quality of being hyperactive.
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- hypercatalectic — (of a line of verse) containing an additional syllable after the last dipody or foot. Compare acatalectic (def 2), catalectic.
- hypercritically — In a hypercritical manner.
- hyperdemocratic — pertaining to or of the nature of democracy or a democracy.
- hyperfastidious — extremely or excessively fastidious
- hyperfunctional — of or relating to a function or functions: functional difficulties in the administration.
- hypergalactosis — an abnormally large secretion of milk.
- hypermetabolism — Biology, Physiology. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Compare anabolism, catabolism.
- hypermutability — liable or subject to change or alteration.
- hyperparasitism — an organism that is parasitic on or in another parasite.