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

  • endotracheal — Situated or occurring within or performed by way of the trachea.
  • ethical code — an ethical code is a set of moral principles used to govern the conduct of a profession
  • fianchettoed — Simple past tense and past participle of fianchetto.
  • forced march — any march that is longer than troops are accustomed to and maintained at a faster pace than usual, generally undertaken for a particular objective under emergency conditions.
  • forked chain — branched chain.
  • french broad — a river in W North Carolina and E Tennessee, flowing N and NW to join the Holston River at Knoxville to form the Tennessee River. 210 miles (338 km) long.
  • grade school — an elementary school that has its pupils grouped or classified into grades.
  • haemodynamic — Alternative spelling of hemodynamic.
  • halcyon days — period regarded with nostalgia
  • half-covered — to be or serve as a covering for; extend over; rest on the surface of: Snow covered the fields.
  • hamming code — (algorithm)   Extra, redundant bits added to stored or transmitted data for the purposes of error detection and correction. Named after the mathematician Richard Hamming, Hamming codes greatly improve the reliability of data, e.g. from distant space probes, where it is impractical, because of the long transmission delay, to correct errors by requesting retransmission.
  • harmonichord — a musical instrument resembling an upright piano intended to fuse the sound of a violin with the functionality of a piano, the tone therefore produced using friction rather than through striking
  • harpsichords — Plural form of harpsichord.
  • hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
  • hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
  • henceforward — from now on; from this point forward.
  • hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
  • heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
  • heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
  • hexachloride — a chloride containing six atoms of chlorine.
  • hexadecanoic — Of or pertaining to hexadecanoic acid or its derivatives.
  • hexadecapole — (physics) Anything having sixteen poles or electrodes, or a combination of four quadrupoles.
  • hidrocystoma — An adenoma of the sweat glands.
  • high command — the leadership or highest authority of a military command or other organization.
  • highway code — In Britain, the Highway Code is an official book published by the Department of Transport, which contains the rules which tell people how to use public roads safely.
  • holiday camp — In Britain, a holiday camp is a place which provides holiday accommodation and entertainment for large numbers of people.
  • huffman code — Huffman coding
  • 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 .
  • hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
  • hydrocracker — a high-pressure processing unit used for hydrocracking.
  • hydrodynamic — pertaining to forces in or motions of liquids.
  • hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
  • hydrographic — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
  • hydrological — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
  • 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
  • hydrostatics — the branch of hydrodynamics that deals with the statics of fluids, usually confined to the equilibrium and pressure of liquids.
  • hydroxy acid — an organic acid containing both a carboxyl and a hydroxyl group.
  • 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.
  • hypothecated — Simple past tense and past participle of hypothecate.
  • icosahedrons — Plural form of icosahedron.
  • idiopathical — Alternative form of idiopathic.
  • immethodical — not methodical; without method or system.
  • 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
  • machicolated — Having machicolations.
  • 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
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