17-letter words containing i, c, h, e
- haemorrhoidectomy — surgical removal of haemorrhoids
- hairline fracture — a very fine crack in a bone
- half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
- hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
- hamiltonian cycle — Hamiltonian problem
- 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)
- handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
- hanging committee — a group of people that selects and hangs works of art to exhibit
- harmonic interval — an intervening period of time: an interval of 50 years.
- hasbrouck heights — a borough in NE New Jersey.
- have a thick skin — to be insensitive (or acutely sensitive) to blame, criticism, insults, etc.
- 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.
- helicopter parent — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- hemiglossectomies — Plural form of hemiglossectomy.
- 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.
- heptanedioic acid — pimelic acid.
- hexacosanoic acid — cerotic acid.
- hexadecanoic acid — palmitic acid.
- high commissioner — a representative of one sovereign member of the Commonwealth of Nations in the country of another, having a rank and responsibilities generally similar to those of an ambassador.
- high muckety-muck — high muck-a-muck
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- higher arithmetic — arithmetic (def 2).
- hillcrest heights — a city in central Maryland, near Washington, D.C.
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- hit for the cycle — any complete round or series of occurrences that repeats or is repeated.
- holistic medicine — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
- homeland security — national defence
- homeopathic magic — magic that attempts to control the universe through the mimicking of a desired event, as by stabbing an image of an enemy in an effort to destroy him or her or by performing a ritual dance imitative of the growth of food in an effort to secure an abundant supply; a branch of sympathetic magic based on the belief that similar actions produce similar results.
- homework exercise — an exercise that is set as homework
- homogentisic acid — an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
- horatio kitchener — Horatio Herbert (1st Earl Kitchener of Khartoum and of Broome) 1850–1916, English field marshal and statesman.
- hornblende schist — a variety of schist containing needles of hornblende that lie in parallel planes.
- horseradish sauce — a piquant sauce made from horseradish root, vinegar, etc, and traditionally eaten in Britain with roast beef
- housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
- humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
- hurricane warning — a storm warning given for winds with speeds exceeding 63 knots (72 mph, 32 m/sec) when the source of the winds is a tropical cyclone.
- 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.
- huygens' eyepiece — a telescope eyepiece consisting of two planoconvex lenses separated by a distance equal to half the sum of their focal lengths, which are in the ratio of three to one, and oriented so that their curved surfaces face the incident light
- 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.
- hydroelectrically — Using hydroelectric power.
- 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)