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12-letter words containing a, c, h, o, n, d

  • human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
  • hydnocarpate — a salt or ester of hydnocarpic acid.
  • hydrocarbons — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
  • hydrodynamic — pertaining to forces in or motions of liquids.
  • hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
  • hydronically — in a hydronic manner; in a manner relating to a heating system that uses water
  • hypochondria — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
  • icosahedrons — Plural form of icosahedron.
  • indomethacin — a substance, C 19 H 16 ClNO 4 , with anti-inflammatory, antipyretic, and analgesic properties: used in the treatment of certain kinds of arthritis and gout.
  • kachina doll — a Hopi Indian doll carved from cottonwood root in representation of a kachina and given as a gift to a child or used as a household decoration.
  • machairodont — having sabre-like teeth; sabre-toothed
  • machine code — (language)   The representation of a computer program that is read and interpreted by the computer hardware (rather than by some other machine code program). A program in machine code consists of a sequence of "instructions" (possibly interspersed with data). An instruction is a binary string, (often written as one or more octal, decimal or hexadecimal numbers). Instructions may be all the same size (e.g. one 32-bit word for many modern RISC microprocessors) or of different sizes, in which case the size of the instruction is determined from the first word (e.g. Motorola 68000) or byte (e.g. Inmos transputer). The collection of all possible instructions for a particular computer is known as its "instruction set". Each instruction typically causes the Central Processing Unit to perform some fairly simple operation like loading a value from memory into a register or adding the numbers in two registers. An instruction consists of an op code and zero or more operands. Different processors have different instruction sets - the collection of possible operations they can perform. Execution of machine code may either be hard-wired into the central processing unit or it may be controlled by microcode. The basic execution cycle consists of fetching the next instruction from main memory, decoding it (determining which action the operation code specifies and the location of any arguments) and executing it by opening various gates (e.g. to allow data to flow from main memory into a CPU register) and enabling functional units (e.g. signalling to the ALU to perform an addition). Humans almost never write programs directly in machine code. Instead, they use programming languages. The simplest kind of programming language is assembly language which usually has a one-to-one correspondence with the resulting machine code instructions but allows the use of mnemonics (ASCII strings) for the "op codes" (the part of the instruction which encodes the basic type of operation to perform) and names for locations in the program (branch labels) and for variables and constants. Other languages are either translated by a compiler into machine code or executed by an interpreter
  • machine word — word (def 10).
  • machine-word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
  • mitochondria — an organelle in the cytoplasm of cells that functions in energy production.
  • mooch around — If you mooch around or mooch about a place, you move around there slowly with no particular purpose.
  • nonadherence — the quality of adhering; steady devotion, support, allegiance, or attachment: adherence to a party; rigid adherence to rules.
  • on the cadge — engaged in cadging
  • on the cards — likely
  • onward march — the continuing, advancing or improving movement (of situation, etc)
  • orchidomania — an obsession with or passion for orchids
  • ormond beach — a town in NE Florida.
  • orthovanadic — relating to orthovanadates
  • photodynamic — the science dealing with light and its effects on living organisms.
  • pointed arch — an arch having a pointed apex.
  • poland china — one of an American breed of black hogs having white markings.
  • quadraphonic — of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary two of the stereo system: a quadraphonic recording.
  • quadriphonic — quadraphonic.
  • quadrophonic — Alternative spelling of quadraphonic.
  • ratchet down — If something ratchets down or is ratcheted down, it decreases by a fixed amount or degree, and seems unlikely to increase again.
  • scalding hot — that scalds; burning; too hot
  • section hand — a person who works on a section gang.
  • shadow dance — a dance in which shadows of the dancers are cast on a screen.
  • shortchanged — to give less than the correct change to.
  • sound change — any phonetic or phonological change in spoken language, for example the replacement of one speech sound with another, or the loss of a particular sound
  • subarachnoid — of, relating to, or situated below the arachnoid membrane.
  • technobandit — a person who steals technological secrets, as from the government or a place of employment, and sells them to agents of foreign governments or to competing firms.
  • the ordnance — a department of an army or government dealing with military supplies
  • thionic acid — any of the five acids of sulfur of the type H 2 S n O 6 , where n is from two to six.
  • thread count — thread density of a woven fabric
  • touch and go — precarious situation
  • touch-and-go — risky; precarious: a touch-and-go descent down the mountain.
  • unapproached — not approached; not able to be approached or neared
  • unchaperoned — not chaperoned; not accompanied by a chaperone
  • unencroached — to advance beyond proper, established, or usual limits; make gradual inroads: A dictatorship of the majority is encroaching on the rights of the individual.
  • unmethodical — characterized by lack of method or disorderliness
  • unreproached — not reproached, criticized, or scolded
  • watchdogging — a dog kept to guard property.
  • xanthochroid — of, relating to, or designating races having light-coloured hair and a pale complexion
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