15-letter words containing p, a, s, y
- crystallography — the science concerned with the formation, properties, and structure of crystals
- cyanide capsule — a capsule containing cyanide, traditionally given to spies and others so that they can commit suicide to avoid capture
- cyanide process — a process for recovering gold and silver from ores by treatment with a weak solution of sodium cyanide
- cytoplasmically — by means of a cytoplasm
- cytotrophoblast — the thickened, inner part of the mammalian placenta nearest to the fetus, covering the chorion during early pregnancy
- 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.
- daily newspaper — A daily newspaper is a newspaper that is published every day of the week except Sunday.
- decomposability — (uncountable) The condition of being decomposable.
- dephosphorylate — to remove a phosphate group from (an organic compound)
- 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
- disappointingly — failing to fulfill one's hopes or expectations: a disappointing movie; a disappointing marriage.
- dispassionately — free from or unaffected by passion; devoid of personal feeling or bias; impartial; calm: a dispassionate critic.
- display cabinet — a cabinet in a shop, museum, etc, that displays items
- dispositionally — In a dispositional manner.
- disreputability — The state of being disreputable.
- doomsday weapon — any weapon of extreme lethal or destructive power; superweapon
- dynamic scoping — dynamic scope
- dysmorphophobia — an obsessive fear that one's body, or any part of it, is repulsive or may become so
- 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 jasper — a type of jasper, generally with zones of colour, found in desert regions of Egypt
- eric conspiracy — (person, humour) A shadowy group of moustachioed hackers named Eric first pinpointed as a sinister conspiracy by an infamous talk.bizarre posting ca. 1986. This was doubtless influenced by the numerous "Eric" jokes in the Monty Python oeuvre. There do indeed seem to be considerably more moustachioed Erics in hackerdom than the frequency of these three traits can account for unless they are correlated in some arcane way. Well-known examples include Eric Allman (of the "Allman style" described under indent style), Erik Fair (co-author of NNTP), Eric S. Raymond and about fifteen others. The organisation line "Eric Conspiracy Secret Laboratories" now emanates regularly from more than one site.
- escape velocity — great enough speed to escape gravity
- euphemistically — In a euphemistic manner.
- evening prayers — the daily evening service of Bible readings and prayers prescribed in the Book of Common Prayer
- excess capacity — unused production capacity
- fairy footsteps — heavy footsteps
- false pregnancy — physiological signs of pregnancy without conception; pseudocyesis.
- floating supply — the aggregate supply of ready-to-market goods or securities.
- 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.
- gaia hypothesis — a model of the earth as a self-regulating organism, advanced as an alternative to a mechanistic model.
- geostrophically — By means of, or in terms of, geostrophy.
- gestalt therapy — holistic psychotherapy
- grandstand play — an ostentatious play, as in a sport, overemphasized deliberately to elicit applause from spectators.
- graphic display — the way in which line drawings and text are displayed
- hautes-pyrenees — a department in SW France. 1751 sq. mi. (4535 sq. km). Capital: Tarbes.
- head-up display — an electronic display of data from instruments or other sources projected at eye level so that a driver or pilot sees it without looking away from the road or course. Abbreviation: HUD.
- house of prayer — house of God.
- house physician — a house officer working in a medical as opposed to a surgical discipline
- hydraulic press — a machine permitting a small force applied to a small piston to produce, through fluid pressure, a large force on a large piston.
- hygroscopically — In a hygroscopic way.
- hyperactiveness — The state or quality of being hyperactive.
- hyperadrenalism — a glandular disorder caused by the overactivity of the adrenal glands and often resulting in obesity
- hyperaggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
- hyperanakinesia — abnormally active mechanical movement, especially of the stomach or intestine.
- hypercatabolism — an abnormally high metabolic breakdown of a substance or tissue which leads to weight loss and physical deterioration
- hyperfastidious — extremely or excessively fastidious