18-letter words containing c, i, n, h, e
- heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
- heat of combustion — the heat evolved when one mole of a substance is burnt in oxygen at constant volume
- hebdomadal council — the governing council or senate of Oxford University
- hegelian dialectic — an interpretive method, originally used to relate specific entities or events to the absolute idea, in which some assertible proposition (thesis) is necessarily opposed by an equally assertible and apparently contradictory proposition (antithesis) the mutual contradiction being reconciled on a higher level of truth by a third proposition (synthesis)
- heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
- helicopter gunship — military attack helicopter
- helicopter station — a place where helicopters are kept in readiness for use
- helmholtz function — the thermodynamic function of a system that is equal to its internal energy minus the product of its absolute temperature and entropy: A decrease in the function is equal to the maximum amount of work available during a reversible isothermal process.
- heptadecanoic acid — a colourless crystalline water-insoluble carboxylic acid used in organic synthesis. Formula: CH3(CH2)15COOH
- herringbone stitch — a type of cross-stitch in embroidery similar to the catch stitch in sewing, consisting of an overlapped V -shaped stitch that when worked in a continuous pattern produces a twill-weave effect.
- heuristics testing — failure-directed testing
- hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
- high speed connect — (hardware) (HSC) A Hewlett-Packard bus like EISA.
- highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
- histamine headache — cluster headache.
- historical present — the present tense used in narrating a past event as if happening at the time of narration.
- homeowner's policy — a form of home insurance that provides compensation for damage, loss, or injury of property, personal belongings, or persons due to fire, theft, accidents, etc.
- honeysuckle family — the plant family Caprifoliaceae, typified by shrubs and woody vines having opposite leaves, clusters of usually flaring, narrow, tubular flowers, and various types of fruit, and including the elder, honeysuckle, snowberry, twinflower, and viburnum.
- hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
- hotel receptionist — a person who looks after guests when they first arrive at a hotel, checking them in, giving them their keys, etc
- hydroxychloroquine — a colorless crystalline solid, C 18 H 26 ClN 3 O, used in the treatment of malaria, lupus erythematosus, and rheumatoid arthritis.
- hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyperconcentration — the act of concentrating; the state of being concentrated.
- hypernationalistic — a person devoted to nationalism.
- hypochromic anemia — an anemia characterized by an abnormally low concentration of hemoglobin in the red blood cells, often due to iron deficiency.
- hypodermic syringe — a small glass piston or barrel syringe having a detachable, hollow needle for use in injecting solutions subcutaneously.
- hysterical reasons — (Or "hysterical raisins") A variant on the stock phrase "for historical reasons", indicating specifically that something must be done in some stupid way for backward compatibility, and moreover that the feature it must be compatible with was the result of a bad design in the first place. "All IBM PC video adaptors have to support MDA text mode for hysterical reasons." Compare bug-for-bug compatible.
- impedance matching — the technique of choosing or adjusting electric circuits and components so that the impedance of the load is equal to the internal impedance of the power source, thereby optimizing the power transfer from source to load.
- in accordance with — conforming to
- in black and white — without colour
- in compliance with — in accordance with
- in connection with — If you write or talk to someone in connection with something, you write or talk to them about that thing.
- in that/which case — You say in that case or in which case to indicate that what you are going to say is true if the possible situation that has just been mentioned actually exists.
- in the face of sth — If you take a particular action or attitude in the face of a problem or difficulty, you respond to that problem or difficulty in that way.
- in the first place — firstly
- in the vicinity of — near to, in the area around
- incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
- indecent behaviour — the offence of committing indecent acts
- independent school — (in Britain) a school that is neither financed nor controlled by the government or local authorities
- industrial vehicle — a vehicle designed for use in industry
- interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
- ionization chamber — a device for detecting and measuring ionizing radiation, consisting of a tube containing a low pressure gas and two electrodes between which a high voltage is maintained. The current between the electrodes is a function of the intensity of the radiation
- irreproachableness — The quality or state of being irreproachable; integrity; innocence.
- jack-in-the-pulpit — A North American plant, Arisaema triphyllum, of the arum family, having an upright spadix arched over by a green or striped purplish-brown spathe.
- jacksonville beach — a city in NE Florida.
- japanese artichoke — Chinese artichoke.
- jewel in the crown — the most valuable, esteemed, or successful person or thing of a number
- john birch society — an ultraconservative organization, founded in December 1958 by Robert Welch, Jr., chiefly to combat alleged Communist activities in the U.S.
- josephson junction — a high-speed switch, used in experimental computers, that operates on the basis of a radiative phenomenon (Jo·sephson effect) exhibited by a pair of superconductors separated by a thin insulator.
- keep one's chin up — the lower extremity of the face, below the mouth.