19-letter words containing d, e, l, i
- directional coupler — (communications) (tap) A passive device used in cable systems to divide and combine radio frequency signals. A directional coupler has at least three ports: line in, line out, and the tap. The signal passes between line in and line out ports with loss referred to as the insertion loss. A small portion of the signal power applied to the line in port passes to the tap port. A signal applied to the tap port is passed to the line in port less the tap attenuation value. The tap signals are isolated from the line out port to prevent reflections. A signal applied to the line out port passes to the line in port and is isolated from the tap port. Some devices provide more than one tap output line (multi-taps).
- disablement benefit — (in Britain) a noncontributory benefit payable to a person disabled through injury or disease caused by their work
- 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
- disciples of christ — a Christian denomination, founded in the U.S. by Alexander Campbell in the early part of the 19th century, that rejects all creeds, holds the Bible as a sufficient rule of faith and practice, administers baptism by immersion, celebrates the Lord's Supper every Sunday, and has a congregational polity.
- 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.
- distinguishableness — The state or quality of being distinguishable.
- 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.
- dominant wavelength — the wavelength of monochromatic light that would give the same visual sensation if combined in a suitable proportion with an achromatic light
- double counterpoint — invertible counterpoint using two transposable voices.
- double yellow lines — parallel yellow lines painted down the centre of a roadway to indicate that overtaking is not permitted in either direction
- double-density disk — a disk with more than the normal capacity for storage
- double-helical gear — herringbone gear.
- draw the color line — to impose or accept the color line
- drink the health of — to salute or celebrate with a toast
- duplicating machine — a duplicator, especially one for making identical copies of documents, letters, etc.
- early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
- ebola virus disease — Also called Ebola fever, Ebola hemorrhagic fever, Ebola virus disease. a usually fatal disease, a type of hemorrhagic fever, caused by the Ebola virus and marked by high fever, severe gastrointestinal distress, and bleeding.
- educational adviser — a person who provides advice and training to teachers about teaching methods and educational policies
- eilean donan castle — a castle near the Kyle of Lochalsh in Highland, Scotland: built in the 13th century; famous for its picturesque setting
- elastic deformation — In elastic deformation a material changes shape when a stress is applied to it but goes back to its original state when the stress is removed.
- 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.
- electroconductivity — Electrical conductivity.
- electrode potential — the potential difference developed when an electrode of an element is placed in a solution containing ions of that element
- electrohydrodynamic — (physics) Of or pertaining to electrohydrodynamics.
- electronic keyboard — a typewriter keyboard used to operate an electronic device such as a computer, word processor, etc
- electrostatic field — an electric field associated with static electric charges
- end-to-end solution — (jargon) (E2ES) A term that suggests that the supplier of an application program or system will provide all the hardware and/or software components and resouces to meet the customer's requirement and no other supplier need be involved. Compare: turn-key solution.
- environmental audit — the systematic examination of an organization's interaction with the environment, to assess the success of its conservation or antipollution programme
- euclidean algorithm — Euclid's Algorithm
- extendible compiler — (language) (ETC) A Fortran-like compiler that can be extended with macros.
- extensible database — (database) A DBMS that allows access to data from remote sources as if the remote data were part of the database.
- fall by the wayside — to cease or fail to continue doing something
- family-sized packet — a large packet
- fault-based testing — (testing) Software testing using test data designed to demonstrate the absence of a set of pre-specified faults; typically, frequently occurring faults. For example, to demonstrate that the software handles or avoids divide by zero correctly, the test data would include zero.
- feather-tail glider — pygmy glider.
- first world problem — a fairly minor problem, frustrating situation, or complaint associated with a relatively high standard of living, as opposed to the more serious problems associated with poverty: I’m bored with all my electronic gadgets—such a first world problem!
- first-sale doctrine — a legal principle allowing the purchaser of a lawfully made copy of a copyright-protected work to sell or give away that copy without permission but not to reproduce it.
- five o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
- five-o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
- floppy (disk) drive — the controller and mechanism for reading and writing data on floppy disks
- florida velvet bean — a tropical vine, Mucuna deeringiana, of the legume family, having showy, purple flowers in drooping clusters and black, hairy pods: grown as an ornamental.
- fluoride toothpaste — toothpaste containing a small amount of fluoride as protection against tooth decay
- frederick william i — 1688–1740, king of Prussia 1713–40.
- free alongside quay — (of a shipment of goods) delivered to the quay without charge to the buyer
- 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