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17-letter words containing y, c, h, r

  • cytoarchitectonic — Of or pertaining to cytoarchitectonics (cytoarchitecture).
  • cytotrophoblastic — Relating to, or containing, cytotrophoblasts.
  • dehydrochlorinase — an enzyme that catalyzes the removal of hydrogen and chlorine atoms or ions from chlorinated hydrocarbons.
  • dehydrochlorinate — to remove hydrogen chloride or chlorine and hydrogen from (a substance).
  • dendroarchaeology — (archaeology) the science that uses dendrochronology to date wooden material from archaeological sites.
  • descending rhythm — a rhythmic pattern created by the succession of metrical feet each of which is composed of one accented syllable followed by one or more unaccented syllables.
  • despotic monarchy — absolute monarchy.
  • desynchronisation — (British spelling) Alternative form of desynchronization.
  • desynchronization — to cause to indicate the same time, as one timepiece with another: Synchronize your watches.
  • dialect geography — linguistic geography
  • diaphragmatically — By use of the diaphragm; in a diaphragmatic way.
  • dwarf huckleberry — tangleberry.
  • electrochemically — In an electrochemical manner.
  • electromyographic — Using electromyography.
  • electrophysiology — The branch of physiology that deals with the electrical phenomena associated with nervous and other bodily activity.
  • electrotechnology — the technological use of electric power
  • elementary school — primary school
  • ethnopharmacology — The scientific study correlating ethnic groups, their health, and how it relates to their physical habits and methodology in creating and using medicines.
  • glastonbury chair — a folding chair having legs crossed front-to-back and having arms connected to the back and to the front seat rail.
  • globus hystericus — the sensation of having a lump in the throat or difficulty in swallowing for which no medical cause can be found.
  • go to the country — If a head of government or a government goes to the country, they hold a general election.
  • haematocrystallin — Alternative form of hematocrystallin.
  • haemorrhoidectomy — surgical removal of haemorrhoids
  • hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
  • harmonic analysis — the calculation of Fourier series and their generalization.
  • health care proxy — a legal document in which a person can appoint someone to make decisions about medical treatment in the event that he or she is no longer mentally competent or able to communicate.
  • henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
  • heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
  • hippocampal gyrus — a convolution on the inner surface of the temporal lobe of the cerebrum, bordering the hippocampus.
  • hit for the cycle — any complete round or series of occurrences that repeats or is repeated.
  • homeland security — national defence
  • household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
  • huygens principle — the principle that all points on a wave front of light are sources of secondary waves and that surfaces tangential to these waves define the position of the wave front at any point in time.
  • hyaline cartilage — the typical, translucent form of cartilage, containing little fibrous tissue.
  • hybrid fiber coax — (networking)   (HFC) A kind of physical connection used in networks for audio, video, and data. DVB (Digital Video Broadcast) is used in Europe and DOCSIS is used in N America.
  • hydraulic circuit — a circuit through which water or another liquid, instead of electric current, flows, but which otherwise operates in the same way as an electric circuit
  • hydrochloric acid — a colorless or faintly yellow, corrosive, fuming liquid, HCl, used chiefly in chemical and industrial processes.
  • hydroelectrically — Using hydroelectric power.
  • hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
  • hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
  • hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
  • hydrogen chloride — a colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid.
  • hydrotherapeutics — hydrotherapy.
  • hyperbolic cosine — one of a group of functions of an angle expressed as a relationship between the distances of a point on a hyperbola to the origin and to the coordinate axes; cosh
  • hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
  • hyperbolic spiral — rθ = a, (where a is a constant)
  • hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
  • hyperconnectivity — Hyperconnectivity is the use of many systems and devices so that you are always connected to social networks and other sources of information.
  • hyperexcitability — an excessive reaction to stimuli.
  • hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
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