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13-letter words containing c, o, n, l, u

  • educationally — pertaining to education.
  • electrocuting — Present participle of electrocute.
  • electrocution — The accidental death or suicide by electric shock.
  • electron tube — (electronics)   (Or tube, vacuum tube, UK: valve, electron valve, thermionic valve, firebottle, glassfet) An electronic component consisting of a space exhausted of gas to such an extent that electrons may move about freely, and two or more electrodes with external connections. Nearly all tubes are of the thermionic type where one electrode, called the cathode, is heated, and electrons are emitted from its surface with a small energy (typically a Volt or less). A second electrode, called the anode (plate) will attract the electrons when it is positive with respect to the cathode, allowing current in one direction but not the other. In types which are used for amplification of signals, additional electrodes, called grids, beam-forming electrodes, focussing electrodes and so on according to their purpose, are introduced between cathode and plate and modify the flow of electrons by electrostatic attraction or (usually) repulsion. A voltage change on a grid can control a substantially greater change in that between cathode and anode. Unlike semiconductors, except perhaps for FETs, the movement of electrons is simply a function of electrostatic field within the active region of the tube, and as a consequence of the very low mass of the electron, the currents can be changed quickly. Moreover, there is no limit to the current density in the space, and the electrodes which do dissapate power are usually metal and can be cooled with forced air, water, or other refrigerants. Today these features cause tubes to be the active device of choice when the signals to be amplified are a power levels of more than about 500 watts. The first electronic digital computers used hundreds of vacuum tubes as their active components which, given the reliability of these devices, meant the computers needed frequent repairs to keep them operating. The chief causes of unreliability are the heater used to heat the cathode and the connector into which the tube was plugged. Vacuum tube manufacturers in the US are nearly a thing of the past, with the exception of the special purpose types used in broadcast and image sensing and displays. Eimac, GE, RCA, and the like would probably refer to specific types such as "Beam Power Tetrode" and the like, and rarely use the generic terms. The cathode ray tube is a special purpose type based on these principles which is used for the visual display in television and computers. X-ray tubes are diodes (two element tubes) used at high voltage; a tungsten anode emits the energetic photons when the energetic electrons hit it. Magnetrons use magnetic fields to constrain the electrons; they provide very simple, high power, ultra-high frequency signals for radar, microwave ovens, and the like. Klystrons amplify signals at high power and microwave frequencies.
  • encapsulation — The act of enclosing in a capsule; the growth of a membrane around (any part) so as to enclose it in a capsule.
  • encourageable — Able to be encouraged; suggestible.
  • encouragingly — In an encouraging manner.
  • enculturation — The gradual acquisition of the characteristics and norms of a culture or group by a person, another culture, etc.
  • endonucleases — Plural form of endonuclease.
  • equinoctially — In an equinoctial manner; relative to the equinox.
  • equivocalness — The state of being equivocal; ambiguity.
  • ethnocultural — Relating to or denoting a particular ethnic group.
  • eudicotyledon — any plant belonging to one of the two major groups of flowering plants, comprising over 60 per cent of all plants, normally having net-veined leaves and two cotyledons in the seed
  • eugeosyncline — a geosyncline characterized by lithology typical of deep ocean environments
  • exclusionists — Plural form of exclusionist.
  • fasciculation — a fascicular condition.
  • floor cushion — a cushion placed on the floor of a room for people to sit on
  • floor furnace — a small self-contained furnace placed just below the floor of the space to be heated.
  • floutingstock — a laughing-stock; the object of mockery or flouting
  • flow function — The flow function is the relationship between the strength of a compact and the degree of compaction.
  • fluctuational — Of, pertaining to, or resulting from fluctuation(s).
  • fluorescently — In a fluorescent manner; using fluorescence.
  • fluorocarbons — Plural form of fluorocarbon.
  • fluoroscoping — Present participle of fluoroscope.
  • flying column — (formerly) a force of troops equipped and organized to move swiftly and independently of a principal unit to which it is attached.
  • fold function — (programming)   In functional programming, fold or "reduce" is a kind of higher-order function that takes as arguments a function, an initial "accumulator" value and a data structure (often a list). In Haskell, the two flavours of fold for lists, called foldl and foldr are defined like this: foldl :: (a -> b -> a) -> a -> [b] -> a foldl f z [] = z foldl f z (x:xs) = foldl f (f z x) xs foldr :: (a -> b -> b) -> b -> [a] -> b foldr f z [] = z foldr f z (x:xs) = f x (foldr f z xs) In both cases, if the input list is empty, the result is the value of the accumulator, z. If not, foldl takes the head of the list, x, and returns the result of recursing on the tail of the list using (f z x) as the new z. foldr returns (f x q) where q is the result of recursing on the tail. The "l" and "r" in the names refer to the associativity of the application of f. Thus if f = (+) (the binary plus operator used as a function of two arguments), we have: foldl (+) 0 [1, 2, 3] = (((0 + 1) + 2) + 3 (applying + left associatively) and foldr (+) 0 [1, 2, 3] = 0 + (1 + (2 + 3)) (applying + right associatively). For +, this makes no difference but for an non-commutative operator it would.
  • fork luncheon — déjeuner à la fourchette.
  • fuel injector — injector (def 2b).
  • functionalise — to make functional.
  • functionalism — (usually initial capital letter) Chiefly Architecture, Furniture. a design movement evolved from several previous movements or schools in Europe in the early 20th century, advocating the design of buildings, furnishings, etc., as direct fulfillments of material requirements, as for shelter, repose, or the serving of food, with the construction, materials, and purpose clearly expressed or at least not denied, and with aesthetic effect derived chiefly from proportions and finish, purely decorative effects being excluded or greatly subordinated. the doctrines and practices associated with this movement. Compare rationalism (def 4).
  • functionalist — a person who advocates, or works according to, the principles of functionalism.
  • functionality — of or relating to a function or functions: functional difficulties in the administration.
  • functionalize — to make functional.
  • general court — the state legislature of Massachusetts or New Hampshire.
  • genuflections — Plural form of genuflection.
  • gesticulation — the act of gesticulating.
  • gluconeogenic — glucose formation in animals from a noncarbohydrate source, as from proteins or fats.
  • gluconic acid — a colorless, water-soluble acid, C 6 H 12 O 7 , obtained by the oxidation of glucose, used commercially in a 50-percent solution for cleaning metals.
  • glucuronidase — an enzyme that catalyzes glucuronide hydrolysis
  • gossip column — newspaper: celebrity news article
  • graminicolous — (esp of parasitic fungi) living on grass
  • graticulation — the division of a design, plan, etc into squares in order to improve the accuracy of enlargement or reduction
  • great council — (in Norman England) an assembly composed of the king's tenants in chief that served as the principal council of the realm and replaced the witenagemot.
  • ground colour — a colour on which other colours are superimposed to create a pattern
  • ground sluice — a trench, cut through a placer or through bedrock, through which a stream is diverted in order to dislodge and wash the gravel.
  • ground tackle — equipment, as anchors, chains, or windlasses, for mooring a vessel away from a pier or other fixed moorings.
  • guzman blanco — Antonio [ahn-taw-nyaw] /ɑnˈtɔ nyɔ/ (Show IPA), 1829–99, Venezuelan political leader: president 1870–88.
  • half coupling — a flange fixed at the end of each of the two shafts that are connected in a flange coupling
  • hallucination — a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to certain toxic substances, and usually manifested as visual or auditory images.
  • hallucinatory — pertaining to or characterized by hallucination: hallucinatory visions.
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