19-letter words containing p, d, a
- disaster capitalism — the practice (by a government, regime, etc) of taking advantage of a major disaster to adopt liberal economic policies that the population would be less likely to accept under normal circumstances
- disciplinary action — punishment or caution
- dispatch department — the department of an organization responsible for the dispatch of orders
- dispersion relation — the relationship between the angular frequency (ω;) of a wave and the magnitude of its wave vector (k). Thus the wave's speed is ω/k
- displaced homemaker — a woman recently divorced, separated, or widowed after many years as a homemaker.
- displacement engine — any engine employing the rectilinear motion of one or more pistons in cylinders.
- display advertising — display ads taken collectively.
- diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
- dobsonian telescope — a relatively inexpensive Newtonian telescope, suitable for visual but not photographic use, in which the tube assembly slips freely in the lower base.
- dry-bulk cargo ship — a ship that carries an unpackaged dry cargo such as coal or grain; bulk carrier
- duplicating machine — a duplicator, especially one for making identical copies of documents, letters, etc.
- dynamic positioning — Dynamic positioning is the use of computers to control the position of a semi-submersible rig.
- early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
- ecatepec de morelos — a city in S central Mexico, a suburb of Mexico City: on a 12th-century Aztec site.
- electrocardiographs — Plural form of electrocardiograph.
- electrocardiography — The measurement of electrical activity in the heart and the recording of such activity as a visual trace (on paper or on an oscilloscope screen), using electrodes placed on the skin of the limbs and chest.
- electrode potential — the potential difference developed when an electrode of an element is placed in a solution containing ions of that element
- expeditionary force — An expeditionary force is a group of soldiers who are sent to fight in a foreign country.
- family-sized packet — a large packet
- feynman, richard p. — Richard P. Feynman
- fluophosphoric acid — fluorophosphoric acid.
- fluoride toothpaste — toothpaste containing a small amount of fluoride as protection against tooth decay
- free alongside ship — (of a shipment of goods) delivered to the dock without charge to the buyer, but excluding the cost of loading onto the vessel
- gedanken experiment — thought experiment.
- germander speedwell — a speedwell, Veronica chamaedrys, having blue flowers.
- get one's dander up — to become or to cause someone to become annoyed or angry
- gigabits per second — (unit) (Gbps) A unit of information transfer rate equal to one billion bits per second. Note that, while a gigabit is defined as a power of two (2^30 bits), a gigabit per second is defined as a power of ten (10^9 bits per second, which is slightly less) than 2^30).
- grade point average — a measure of scholastic attainment computed by dividing the total number of grade points received by the total number of credits or hours of course work taken.
- grievance procedure — the established series of steps to be taken in dealing with a grievance raised with an employer by an employee
- ground-plane aerial — a quarter-wave vertical dipole aerial in which the electrical image forming the other quarter-wave section is formed by reflection in a system of radially disposed metal rods or in a conductive sheet
- have one's blood up — to be or cause to be angry or inflamed
- highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
- hold up one's hands — to confess a mistake or misdeed
- hop, skip, and jump — a short distance
- hop, step, and jump — triple jump.
- huffing and puffing — empty threats or objections; bluster
- hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
- hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
- hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.
- hyperphosphorylated — Simple past tense and past participle of hyperphosphorylate.
- hypomixolydian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from D to D, with the final on G.
- hypophosphoric acid — a tetrabasic acid, H 4 P 2 O 6 , produced by the slow oxidation of phosphorous in moist air.
- idea of pure reason — any of the three undemonstrable entities (a personal soul, a cosmos, and a supreme being) implicit in the fact of a subject and an object of knowledge, and in the need for some principle uniting them.
- imperial presidency — a U.S. presidency that is characterized by greater power than the Constitution allows.
- in the second place — secondly
- incidental expenses — costs outside those budgeted
- index expurgatorius — a list of books now included in the Index Librorum Prohibitorum, forbidden to be read except from expurgated editions.
- indian paint fungus — a common woody hoof-shaped fungus, Echinodontium tinctorium, found on conifers in western North America and believed to have been used as a dye by Pacific Northwest Indians.
- industrial capacity — the amount of resources (workforce, factories, etc) present in a place that will enable an industry or industries to produce goods
- instantaneous speed — a scalar measure of the rate of movement of a body expressed as the rate of change of position with respect to time at a particular point. It is measured in metres per second, miles per hour, etc