18-letter words containing p, a, s, d
- desalination plant — a factory where salt is removed from salt water in order to make the water suitable for drinking and irrigation
- descriptive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
- devil's paintbrush — a perennial European hawkweed (Hieracium aurantiacum) with leafless flower stalks bearing a cluster of orange-red heads: now a common weed in N U.S. and Canada
- diabetes insipidus — a disorder of the pituitary gland causing excessive thirst and excretion of large quantities of dilute urine
- dialytic telescope — a type of achromatic telescope with a second correcting lens
- didaskaleinophobia — The fear of going to school.
- dietary supplement — a substance taken in addition to what you eat in order to promote health
- diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
- diplomatic service — diplomatic corps
- diplomatic shuttle — a series of diplomatic visits to other states made by an official, such as an ambassador or envoy
- disability pension — a pension paid to people who are unable to continue to work because of a disability
- discharge printing — a fabric-printing method in which the material is dyed and then certain areas are discharged so as to permit the original hue or its color replacement to act as a pattern against the colored ground.
- disodium phosphate — sodium phosphate (def 2).
- dispatch documents — documents sent with a parcel, etc, detailing information such as contents, delivery address, etc
- dispersible tablet — A dispersible tablet is a tablet that disintegrates in water or other liquid.
- display postscript — An extended form of PostScript permitting its interactive use with bitmap displays.
- disproportionality — not in proportion; disproportionate.
- disproportionately — not proportionate; out of proportion, as in size or number.
- disproportionation — the simultaneous oxidation and reduction of a substance reacting with itself, thereby forming two dissimilar molecules, as 2C 2 H 4 →C 2 H 6 +C 2 H 2 .
- divine inspiration — insight provided by higher power
- domestic appliance — a machine used for household tasks, for example, a washing machine, refrigerator, etc.
- double-page spread — two pages treated as one in a publication, with images or text extending across the binding
- drainpipe trousers — trousers with very narrow legs
- due process of law — the administration of justice in accordance with established rules and principles
- dynamic psychology — any system of psychology that emphasizes the interaction between different motives, emotions, and drives
- dynamically scoped — dynamic scope
- east india company — the company chartered by the English government in 1600 to carry on trade in the East Indies: dissolved in 1874.
- egg and spoon race — a novelty race in which contestants each carry an egg in a spoon to the finish line, the winner being the first to finish without dropping or breaking the egg.
- egg-and-spoon race — a race in which runners carry an egg balanced in a spoon
- endangered species — animal, plant becoming extinct
- faraday dark space — the dark region between the negative glow and the positive column in a vacuum tube occurring when the pressure is low.
- fish and chip shop — In Britain, a fish and chip shop is a shop which sells hot food such as fish and chips, fried chicken, sausages, and meat pies. The food is cooked in the shop and people take it away to eat at home or in the street.
- flat address space — (architecture) The memory architecture in which any memory location can be selected from a single contiguous block by a single integer offset. Almost all popular processors have a flat address space, but the Intel x86 family has a segmented address space. A flat address space greatly simplifies programming because of the simple correspondence between addresses (pointers) and integers.
- flat-panel display — a type of thin, lightweight video display that uses liquid crystals or electroluminescence to reflect images.
- foundling hospital — an institutional home for foundlings.
- funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
- gas plasma display — (electronics) A type of display containing super-energised neon gas, used mostly in flat monitor and television screens. Each pixel has a transistor that controls its colour and brightness.
- giuseppe garibaldi — Giuseppe [juh-sep-ee;; Italian joo-zep-pe] /dʒəˈsɛp i;; Italian dʒuˈzɛp pɛ/ (Show IPA), 1807–82, Italian patriot and general.
- grains of paradise — Usually, grains of paradise. one of the pungent, peppery seeds of an African plant, Aframomum melegueta, of the ginger family, used to strengthen cordials and in veterinary medicine.
- gum digger's spear — a long steel probe used by gum diggers digging for kauri gum
- handyman's special — fixer-upper.
- happy as a sandboy — very happy; high-spirited
- harnessed antelope — any African antelope of the genus Tragelaphus, especially the bushbuck, having the body marked with white stripes and spots that resemble a harness, and, in the male, long, gently spiraling horns.
- hexaphosphorylated — (biochemistry) phosphorylated with six units of phosphoric acid.
- hold up one's head — to be unashamed
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyperaldosteronism — aldosteronism.
- hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
- hypophosphorylated — (biochemistry) phosphorylated to a less than normal extent, or less than fully.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.