18-letter words containing a, c, e, n, t
- 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
- king of the castle — most powerful figure
- 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.
- landscape painting — art: depicting natural scenery
- last chance saloon — a place frequented by unsavoury or contemptible people
- 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
- 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.
- lieutenant colonel — a commissioned officer ranking next below a colonel and next above a major.
- light displacement — the weight of a ship with all its permanent equipment, excluding the weight of cargo, persons, ballast, dunnage, and fuel, but usually including the weight of permanent ballast and water used to operate steam machinery.
- lighting cameraman — the person who designs and supervises the lighting of scenes to be filmed
- limiting adjective — (in English and some other languages) one of a small group of adjectives that modify the nouns to which they are applied by restricting rather than describing or qualifying. This, some, and certain are limiting adjectives.
- 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.
- local area network — a system for linking private telecommunications equipment, as in a building or cluster of buildings.
- local examinations — (in the UK) any of various examinations, such as the GCE, set by university boards and conducted in local centres, schools, etc
- locally finite set — a collection of sets in a topological space in which each point of the space has a neighborhood that intersects a finite number of sets of the collection.
- logical complement — (logic) In Boolean algebra, the logical complement or negation of a Boolean value is the opposite value, given by the following truth table: A | -A --+--- T | F F | T -A is also written as A with a bar over it or with a small vertical line hanging from the right-hand end of the "-" (LaTeX \neg) or as A'. In the C programming language, it is !A and in digital circuit design, /A.
- lonely hearts club — a club for people who are trying to find a lover or a friend
- long-distance call — phone call: not local area
- luminous emittance — luminous flux emitted per unit area.
- macroinvertebrates — Plural form of macroinvertebrate.
- magnesium silicate — a white powder, 3MgSiO 3 ⋅5H 2 O, with variable hydration, insoluble in water or alcohol, used as a rubber filler, a bleaching agent, an odor absorbent, and in the manufacture of paints and resins.
- 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.
- magnetic induction — Also called magnetic flux density. a vector quantity used as a measure of a magnetic field. Symbol: B.
- magnetic potential — a scalar quantity, analogous to the electric potential, defined at each point in a given magnetic field to be equal to the work done in bringing a unit north pole from infinity to the point.
- magnetic recording — the process of recording sound or other data on magnetic tape, wire, etc.
- magnetic resonance — the response by atoms, molecules, or nuclei subjected to a magnetic field to radio waves or other forms of energy: used in medicine for scanning
- magnetic tape unit — a computer device that moves reels of magnetic tape past read-write heads so that data can be transferred to or from the computer
- magnetic variation — variation (def 8).
- magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
- magnetoelectricity — electricity developed by the action of magnets.
- magnetogasdynamics — magnetohydrodynamics.
- magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
- management company — a company that manages a unit trust
- manchester terrier — one of a breed of slender terriers having a short, glossy, black-and-tan coat, raised originally in Manchester, England.
- manufactured goods — products made by machine
- manufacturing base — the manufacturing industries of an area or a country considered as a unit and a constituent part of the economy
- maritime provinces — region in Canada