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18-letter words containing h, i, a

  • an overgrown child — an adult whose behaviour is characteristic of a child
  • analytical machine — Analytical Engine
  • anaphylactic shock — a severe, sometimes fatal, reaction to a substance to which a person has an extreme sensitivity, often involving respiratory difficulty and circulation failure
  • angiocardiographic — Relating to angiocardiography.
  • anthropocentricity — the state or quality of being anthropocentric.
  • anthropomorphising — Present participle of anthropomorphise.
  • anthropomorphizing — Present participle of anthropomorphize.
  • anti-authoritarian — favoring complete obedience or subjection to authority as opposed to individual freedom: authoritarian principles; authoritarian attitudes.
  • anti-establishment — opposed to established authority
  • anti-scholasticism — narrow adherence to traditional teachings, doctrines, or methods.
  • anticholinesterase — any of a group of substances that inhibit the action of cholinesterase
  • antipatheticalness — The state or quality of being antipathetical.
  • aperture synthesis — an array of radio telescopes used in radio astronomy to simulate a single large-aperture telescope. Some such instruments use movable dishes while others use fixed dishes
  • aphrodite of melos — a Greek statue of Venus in marble, c200 b.c., found in 1820 on Melos and now in the Louvre, Paris.
  • appalachian spring — a dance (1944) choreographed by Martha Graham, with musical score by Aaron Copland.
  • applied psychology — psychology that is put to practical use
  • arachibutyrophobia — Fear of peanut butter sticking to the roof of one's mouth.
  • arctic archipelago — group of mostly large islands in the Arctic Ocean off the N coast of Canada
  • arkansas toothpick — a bowie knife or similar sharp knifelike implement.
  • arm's-length price — a price of a transaction agreed in accordance with market values, disregarding any connection such as common ownership of the companies involved
  • artificial horizon — an aircraft instrument, using a gyroscope, that indicates the aircraft's attitude in relation to the horizontal
  • aspherical surface — a lens or mirror surface that does not form part of a sphere and is used to reduce aberrations
  • ast research, inc. — (company)   A company, formed some time before 1980, that was a leading personal computer manufacturer. AST developed desktop computers, mobile computers, and servers that were sold in more than 100 countries worldwide. In January 1999 the name and intellectual property were acquired by a new company named AST Computers, LLC. As of 2000-03-02 it was trading as ARI Service.
  • astrological chart — map of constellations at certain time
  • asynchronous logic — (architecture)   A data-driven circuit design technique where, instead of the components sharing a common clock and exchanging data on clock edges, data is passed on as soon as it is available. This removes the need to distribute a common clock signal throughout the circuit with acceptable clock skew. It also helps to reduce power dissipation in CMOS circuits because gates only switch when they are doing useful work rather than on every clock edge. There are many kinds of asynchronous logic. Data signals may use either "dual rail encoding" or "data bundling". Each dual rail encoded Boolean is implemented as two wires. This allows the value and the timing information to be communicated for each data bit. Bundled data has one wire for each data bit and another for timing. Level sensitive circuits typically represent a logic one by a high voltage and a logic zero by a low voltage whereas transition signalling uses a change in the signal level to convey information. A speed independent design is tolerant to variations in gate speeds but not to propagation delays in wires; a delay insensitive circuit is tolerant to variations in wire delays as well. The purest form of circuit is delay-insensitive and uses dual-rail encoding with transition signalling. A transition on one wire indicates the arrival of a zero, a transition on the other the arrival of a one. The levels on the wires are of no significance. Such an approach enables the design of fully delay-insensitive circuits and automatic layout as the delays introduced by the layout compiler can't affect the functionality (only the performance). Level sensitive designs can use simpler, stateless logic gates but require a "return to zero" phase in each transition.
  • at sb's right hand — If someone is at a person's right hand, they work closely with that person so they can help and advise them.
  • at the instance of — at the suggestion or instigation of
  • at the last minute — almost too late
  • at the risk of sth — If you do something at the risk of something unpleasant happening, you do it even though you know that the unpleasant thing might happen as a result.
  • athletic supporter — jockstrap
  • atmospheric engine — an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder.
  • atmospheric window — wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
  • attribution theory — the theory that tries to explain how people link actions and emotions to particular causes, both internal and external
  • auditory phonetics — the branch of phonetics concerned with the perception of speech sounds by humans
  • australopithecines — Plural form of australopithecine.
  • authorized capital — the total amount of value of the shares that a company is allowed to distribute
  • authorized version — the revised English translation of the Bible published in England in 1611 with the authorization of King James I
  • autobiographically — In a autobiographical manner.
  • aviation authority — a body that is responsible for overseeing the aviation industry
  • avoirdupois weight — a British and American system of weights based on a pound of 16 ounces
  • axiological ethics — the branch of ethics dealing primarily with the relative goodness or value of the motives and end of any action.
  • ayatollah khomeini — Ayatollah Ruhollah [roo-hoh-luh;; Persian roo-haw-lah] /ruˈhoʊ lə;; Persian ˌru hɔˈlɑ/ (Show IPA), 1900?–89, Islamic leader of Iran 1979–89.
  • back in the saddle — at work again
  • baritone saxophone — the second lowest instrument in the family of saxophones
  • barium thiosulfate — a white, crystalline, water-insoluble, poisonous solid, BaS 2 O 3 ⋅H 2 O, used chiefly in the manufacture of explosives, matches, paints, and varnishes.
  • bartholin's glands — two small reddish-yellow glands, one on each side of the vaginal orifice, that secrete a mucous lubricating substance during sexual stimulation in females
  • bats-in-the-belfry — a hairy Eurasian campanulaceous plant, Campanula trachelium, with bell-shaped blue-purple flowers
  • be having a moment — If something or someone is having a moment, they are successful or popular at the present time.
  • be the image of sb — If you are the image of someone else, you look very much like them.
  • beautiful hook-tip — a similar but unrelated species, Laspeyria flexula
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