20-letter words containing p, a, n, g
- dispersion hardening — the strengthening of an alloy as a result of the presence of fine particles in the lattice
- displacement tonnage — the number of long tons of water displaced by a vessel, light or load displacement being specified.
- drum and bugle corps — a marching band of drum players and buglers.
- dual in-line package — (hardware) (DIL, DIP) The most common type of package for small and medium scale integrated circuits, with up to about 48 pins. The pins hang vertically from the two long edges of the rectangular package, spaced at intervals of 0.1 inch. The pins fit through holes in the circuit board to which they are soldered or into a socket.
- ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
- electroencephalogram — A test or record of brain activity produced by electroencephalography.
- electromagnetic pump — a device for pumping liquid metals by placing a pipe between the poles of an electromagnet and passing a current through the liquid metal
- fore-topgallant mast — the spar or section of a spar forming the topgallant portion of a foremast on a ship.
- free-range parenting — Informal. a style of child rearing in which parents allow their children to move about without constant adult supervision, aimed at instilling independence and self-reliance.
- freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
- fulminating compound — a fulminate.
- general postal union — former name of Universal Postal Union. Abbreviation: GPU.
- general practitioner — a medical practitioner whose practice is not limited to any specific branch of medicine or class of diseases. Abbreviation: G.P.
- general public virus — (software, legal) A pejorative name for some versions of the GNU project copyleft or General Public License (GPL), which requires that any tools or application programs incorporating copylefted code must be source-distributed on the same terms as GNU code. Thus it is alleged that the copyleft "infects" software generated with GNU tools, which may in turn infect other software that reuses any of its code.
- generative phonology — a theory of phonology that uses a set of rules to derive phonetic representations from abstract underlying forms.
- get one's hackles up — to become tense with anger; bristle
- gingival hyperplasia — Gingival hyperplasia is abnormal enlargement of the gums.
- glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
- gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- group representation — representation in a governing body on the basis of interests rather than by geographical location.
- hang up one's spikes — to retire, as from a professional sport
- happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
- hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
- harmonic progression — a series of numbers the reciprocals of which are in arithmetic progression.
- hate a person's guts — to dislike a person very strongly
- have an itching palm — to desire money greedily
- hazard warning lamps — Hazard warning lamps are flashing lamps on each corner of a vehicle that are used to show the position of the vehicle if there has been a breakdown or an accident.
- he's no oil painting — he is not good-looking
- helicopter parenting — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- high-energy particle — Physics
- himalayan guinea pig — a variety of short-haired guinea pig with markings on its nose, ears, and feet
- how are you keeping? — how are you?
- human genome project — a federally funded U.S. scientific project to identify both the genes and the entire sequence of DNA base pairs that make up the human genome.
- hyperbolic cotangent — a hyperbolic function that is the ratio of cosh to sinh, being the reciprocal of tanh; coth
- industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
- inertial upper stage — a U.S. two-stage, solid-propellant rocket used to boost a relatively heavy spacecraft from a low earth orbit into a planetary trajectory or an elliptical transfer orbit. Abbreviation: IUS.
- infrared photography — photography using film with an emulsion that is sensitive to infrared light, enabling it to be used in misty weather, in darkened interiors, or at night. It has applications in aerial surveys, the detection of forgeries, etc
- initial program load — (operating system) (IPL) The procedure used to (re-)start a computer system by copying the operating system kernel into main memory and running it. Part of the boot sequence.
- innerspring mattress — a mattress with built-in coil springs
- integration by parts — Mathematics. a method of evaluating an integral by use of the formula, ∫udv = uv − ∫vdu.
- japanese pagoda tree — pagoda tree.
- judicial proceedings — any action involving or carried out by a court of law
- keep a tight rein on — to control carefully; limit
- king charles spaniel — a variety of the English toy spaniel having a black-and-tan coat.
- king's-pawn openings — a class of chess openings in which the pawn in front of the king is advanced two squares on the first move.
- kingston upon thames — a borough of Greater London, England.
- knights hospitallers — a military religious order founded about the time of the first crusade (1096–99) among European crusaders. It took its name from a hospital and hostel in Jerusalem
- kruger national park — a wildlife sanctuary in NE South Africa: the world's largest game reserve. Area: over 21 700 sq km (8400 sq miles)
- language development — the development verbal communication skills in children