20-letter words containing a, d, p, t, e, r
- diabetic retinopathy — a disorder of the blood vessels of the retina occurring as a complication of poorly controlled diabetes mellitus and often leading to blindness.
- diamondback terrapin — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
- differential pricing — a situation in which different prices are charged for the same product or service
- digital media player — Digital Technology. a portable electronic device or a software program that plays and stores digital audio or video files in various formats.
- diplomatic secretary — secretary (def 5).
- diplomatic-secretary — secretary (def 5).
- displacement current — the rate of change, at any point in space, of electric displacement with time.
- disproportionateness — The state or quality of being disproportionate or out of proportion.
- disruptive discharge — the sudden, large increase in current through an insulating medium resulting from complete failure of the medium under electrostatic stress.
- distributed practice — learning with reasonably long intervals between separate occasions of learning
- dolly varden pattern — a fabric print consisting of bouquets of flowers.
- double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
- dry-bulb temperature — A dry-bulb temperature is the temperature of a dry surface in a vapor-gas environment.
- dun & bradstreet — an agency furnishing subscribers with information as to the financial standing and credit rating of businesses
- education department — the department of a local authority that is concerned with education, or the government department concerned with education
- electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
- epidural anaesthesia — numbing injection in the spine
- equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
- file descriptor leak — (programming) (Or "fd leak" /F D leek/) A kind of programming bug analogous to a core leak, in which a program fails to close file descriptors ("fd"s) after file operations are completed, and thus eventually runs out of them. See leak.
- fixed action pattern — a highly stereotyped pattern of behavior that is characteristic of a particular species.
- fixed-price contract — a contract in which the price is preset and invariable, regardless of the actual costs of production.
- fore-and-aft topsail — gaff topsail (def 1).
- fundamental particle — elementary particle.
- 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.
- heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
- horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
- hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
- hyperadrenocorticism — Cushing's syndrome.
- imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.
- incorporated company — a legally constituted company
- independent variable — Mathematics. a variable in a functional relation whose value determines the value or values of other variables, as x in the relation y = 3 x 2 . Compare dependent variable (def 1).
- indicated horsepower — the horsepower of a reciprocating engine as shown by an indicator record. Abbreviation: ihp, IHP.
- industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
- 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
- inland revenue stamp — a certificate issued by the Inland Revenue to acknowledge payment of tax
- japanese pagoda tree — pagoda tree.
- like death warmed up — very ill
- marketing department — the department of a commercial organization that deals with the marketing of products
- matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
- maternal deprivation — the lack of a mother in a child's life, considered a cause of psychological problems later in life
- medical practitioner — doctor
- megabytes per second — (unit) (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
- multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
- net national product — the gross national product less allowance for depreciation of capital goods. Abbreviation: NNP.
- new democratic party — the Canadian social democratic party formed in 1961
- nondirective therapy — client-centered therapy.
- nonrepeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
- operant conditioning — conditioning (def 1).
- operating conditions — Operating conditions are a set of conditions for operating a particular system or process.
- operational database — (database) A database containing up-to-date, modifiable data, in contrast to a decision support database.