18-letter words containing r, e, a, t, c
- integrating factor — a factor that upon multiplying a differential equation with the right-hand side equal to zero makes the equation integrable, usually by making the resulting expression an exact differential of some function.
- intercartilaginous — (anatomy) Within cartilage.
- interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
- intercommunication — to communicate mutually, as people.
- interface analysis — (testing) A software test which checks the interfaces between program elements for consistency and adherence to predefined rules or axioms.
- interior decorator — a person whose profession is the execution of interior design.
- interlacing arcade — an arcade, especially a blind one, composed of arches (interlacing arches) so arranged and cut that each arch seems to intersect and be intersected by one or more other arches.
- internal secretion — a secretion, esp a hormone, that is absorbed directly into the blood
- international code — a code used at sea by the navies of certain nations, using a series of flags representing digits from zero through nine.
- interstellar space — astronomy: space between the stars
- involuntary muscle — muscle: contracts involuntarily
- iomega corporation — (company, storage) A storage device manufacturer whose major products are the Zip and Jaz removable disk drives and Ditto tape drives. They became popular with an early product called the Bernoulli Box. These products fall in line with their focus set in 1994 "to help people manage their stuff". The company's stated aim is to create portable, fast, large and cheap storage solutions. Iomega's major competitor in the growing market for removable disks is SyQuest, who seem to always be a few weeks behind them. In general, Iomega target the Small Office/Home Office. They are also investigating the growing digital photography market which also needs large removable storage devices. Iomega's president and CEO is Kim Edwards. They have nearly 2000 employees in offices world-wide. Revenue for the quarter ending Dec 1996 was $371 million and net income was $20 million. Headquarters: Roy, Utah, USA.
- ionization chamber — a device for detecting and measuring ionizing radiation, consisting of a tube containing a low pressure gas and two electrodes between which a high voltage is maintained. The current between the electrodes is a function of the intensity of the radiation
- iridescent seaweed — a red alga, Irideae cordata, found on the Pacific coast of North America, having broad, leathery, iridescent blades.
- isothermal process — a process that takes place without change in temperature.
- jack of all trades — a person who is adept at many different kinds of work.
- jack-of-all-trades — a person who is adept at many different kinds of work.
- jacobite rebellion — the unsuccessful Jacobite rising of 1715 led by James Francis Edward Stuart
- japanese artichoke — Chinese artichoke.
- justice department — the United States federal department for enforcing federal laws
- kentucky bluegrass — a grass, Poa pratensis, of the Mississippi valley, used for pasturage and lawns.
- killer application — a highly innovative, very powerful, or extremely useful computer application; esp one sufficiently important as to justify purchase of the equipment or software
- kitchen-sink drama — a type of drama of the 1950s depicting the sordid aspects of domestic reality
- knotted cranesbill — a British wildflower, Geranium nodosum, an meadow geranium with bright pink or purple flowers
- labeled bracketing — a representation of the constituent structure of a string, as a word or sentence, comparable to a tree diagram, in which each constituent is shown in brackets and given a subscript grammatical label, with each bracketed item corresponding to a node in a tree diagram.
- lactogenic hormone — prolactin.
- lactose intolerant — cannot digest milk
- lake pontchartrain — a shallow lagoon in SE Louisiana, linked with the Gulf of Mexico by a narrow channel, the Rigolets: resort and fishing centre. Area: 1620 sq km (625 sq miles)
- lambeth conference — a convention of the bishops of the Anglican communion, held about every 10 years at Lambeth Palace to confer but not to define doctrine or to legislate on ecclesiastical matters.
- land grant college — a state university established with a grant of public land
- land-grant college — a U.S. college or university (land-grant university) entitled to support from the federal government under the provisions of the Morrill Acts.
- lateral resistance — resistance to sidewise motion caused by wind pressure, supplied by the immersed portion of a hull of a vessel.
- lean manufacturing — efficiency in the production of goods
- leatherback turtle — a sea turtle, Dermochelys coriacea, having the shell embedded in a leathery skin, reaching a length of more than 7 feet (2.1 meter) and a weight of more than 1000 pounds (450 kg): the largest living sea turtle; an endangered species.
- leave in the lurch — a situation at the close of various games in which the loser scores nothing or is far behind the opponent.
- legislative branch — the branch of government having the power to make laws; the legislature.
- lenticular process — a method for producing images with a three-dimensional effect by photographing on lenticulated film.
- lighting cameraman — the person who designs and supervises the lighting of scenes to be filmed
- linear accelerator — an accelerator in which particles are propelled in straight paths by the use of alternating electric voltages that are timed in such a way that the particles receive increasing increments of energy.
- linear combination — a sum of products of each quantity times a constant: The expression aX + bY + cZ is a linear combination of X, Y, and Z, where a, b, and c are constants.
- linear perspective — a mathematical system for representing three-dimensional objects and space on a two-dimensional surface by means of intersecting lines that are drawn vertically and horizontally and that radiate from one point (one-point perspective) two points (two-point perspective) or several points on a horizon line as perceived by a viewer imagined in an arbitrarily fixed position.
- liqueur chocolates — chocolates containing liqueur
- literary criticism — study and review of literature
- local area network — a system for linking private telecommunications equipment, as in a building or cluster of buildings.
- lonely hearts club — a club for people who are trying to find a lover or a friend
- lower palaeolithic — the earliest of the three sections of the Palaeolithic, beginning about 3 million years ago and ending about 70 000 bc with the emergence of Neanderthal man
- macroinvertebrates — Plural form of macroinvertebrate.
- magistrate's court — a court having limited jurisdiction over minor civil and criminal matters, as matters of contract not exceeding a particular amount of money.
- magistrates' court — law: handles minor crimes
- magnetic amplifier — an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding.