17-letter words containing m, a, r, c, h
- christmas disease — a relatively mild type of haemophilia, caused by lack of a protein (Christmas factor) implicated in the process of blood clotting
- christmas present — a present given at Christmas time, typically on Christmas Day
- christmas pudding — Christmas pudding is a special pudding that is eaten at Christmas.
- chromolithographs — Plural form of chromolithograph.
- chromolithography — the process of making coloured prints by lithography
- church triumphant — those Christians in heaven who have triumphed over evil and the enemies of Christ.
- cigarette machine — a vending machine from which cigarettes can be purchased
- code of hammurabi — a Babylonian legal code of the 18th century b.c. or earlier, instituted by Hammurabi and dealing with criminal and civil matters.
- coin of the realm — legal tender.
- combine harvester — A combine harvester is a large machine which is used on farms to cut, sort, and clean grain.
- come to handgrips — to engage in hand-to-hand fighting
- come to the party — to take part or become involved
- committal hearing — (in British law) a preliminary inquiry by a magistrate to decide if there is enough evidence for a case to go to trial
- computer graphics — the use of a computer to produce and manipulate pictorial images on a video screen, as in animation techniques or the production of audiovisual aids
- consumer research — business: investigation of behaviors
- consumer watchdog — an organization or government agency that campaigns for consumers
- corner the market — dominate trade
- crampon technique — a climbing style that uses crampons
- cream of the crop — the best of a group
- cromwellian chair — an upright oaken chair, often with arms, having all pieces turned and a seat and back panel of leather or cloth attached with brass-headed nails.
- despotic monarchy — absolute monarchy.
- diaphragmatically — By use of the diaphragm; in a diaphragmatic way.
- doberman pinscher — one of a German breed of medium-sized, short-haired dogs having a black, brown, or blue coat with rusty brown markings.
- douglas macarthur — Douglas, 1880–1964, U.S. general: supreme commander of allied forces in SW Pacific during World War II and of UN forces in Korea 1950–51.
- echoencephalogram — a graphic record produced by an echoencephalograph.
- electrochemically — In an electrochemical manner.
- electromechanical — Of, relating to, or denoting a mechanical device that is electrically operated.
- electromyographic — Using electromyography.
- 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.
- french somaliland — a former name of Djibouti (def 1).
- gas chromatograph — a chromatograph used for the separation of volatile substances.
- genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
- geographical mile — nautical mile.
- good-time charlie — an affable, sociable, pleasure-loving man.
- grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
- grid merchandiser — A grid merchandiser is a lightweight, free-standing, flexible fixture made up of moveable grids of wire and used by retailers can display large volumes of merchandise in a small space.
- haematocrystallin — Alternative form of hematocrystallin.
- haemorrhoidectomy — surgical removal of haemorrhoids
- hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
- hammered dulcimer — dulcimer (sense 1)
- hard-shelled clam — quahog
- harmonic analysis — the calculation of Fourier series and their generalization.
- harmonic interval — an intervening period of time: an interval of 50 years.
- heimlich maneuver — an emergency rescue procedure for application to someone choking on a foreign object, in which the rescuer places a fist between the victim's lower ribs or upper abdomen from behind and exerts sudden pressure in the form of thrusts of sufficient force to help eject the object from the windpipe.
- hemoconcentration — an increase in the concentration of cellular elements in the blood, resulting from loss of plasma.
- hemorrhagic fever — any of several arbovirus infections, as dengue, characterized by fever, chills, and malaise followed by hemorrhages of capillaries, sometimes leading to kidney failure and death.
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- higher arithmetic — arithmetic (def 2).
- hippocampal gyrus — a convolution on the inner surface of the temporal lobe of the cerebrum, bordering the hippocampus.