14-letter words containing c, h, i, m, n
- helminthologic — of or pertaining to helminthology
- heracliteanism — the philosophy of Heraclitus, maintaining the perpetual change of all things, the only abiding thing being the logos, or orderly principle, according to which the change takes place.
- hermeneuticist — One who studies hermeneutics.
- heterochronism — a change in the stage at which developmental processes take place relative to members of the same species
- heteroromantic — Romantically attracted to those of the opposite gender.
- holy communion — communion (def 1).
- home economics — the art and science of home management.
- home insurance — Home insurance is insurance coverage for your home, its contents, and your possessions.
- home schooling — Home schooling is the practice of educating your child at home rather than in a school.
- housing scheme — arrangement offering subsidized housing
- huffman coding — (algorithm) A data compression technique which varies the length of the encoded symbol in proportion to its information content, that is the more often a symbol or token is used, the shorter the binary string used to represent it in the compressed stream. Huffman codes can be properly decoded because they obey the prefix property, which means that no code can be a prefix of another code, and so the complete set of codes can be represented as a binary tree, known as a Huffman tree. Huffman coding was first described in a seminal paper by D.A. Huffman in 1952.
- humane society — (often initial capital letter) an organization devoted to promoting humane ideals, especially with reference to the treatment of animals.
- humanistically — a person having a strong interest in or concern for human welfare, values, and dignity.
- humidification — to make humid.
- hurricane lamp — a candlestick or oil lantern protected against drafts or winds by a glass chimney.
- hydrodynamical — Hydrodynamic.
- hydromagnetics — magnetohydrodynamics.
- hydromechanics — hydrodynamics.
- hydropneumatic — relating to both liquid and gas substances
- hypermasculine — pertaining to or characteristic of a man or men: masculine attire.
- image orthicon — a camera tube, more sensitive than the orthicon, in which an electron image generated by a photocathode is focused on one side of a target that is scanned on its other side by a beam of low-velocity electrons to produce the output signal.
- immunochemical — Pertaining to immunochemistry.
- kidney machine — artificial kidney.
- kitchen midden — a mound consisting of shells of edible mollusks and other refuse, marking the site of a prehistoric human habitation.
- lake champlain — a lake in the northeastern US, between the Green Mountains and the Adirondack Mountains: linked by the Champlain Canal to the Hudson River and by the Richelieu River to the St Lawrence; a major communications route in colonial times
- lap microphone — a small microphone that may be clipped to the speaker's lapel, pocket, or the like.
- lip microphone — a microphone designed and shaped to be held close to the mouth, for use in noisy environments
- lower michigan — the southern part of Michigan, S of the Strait of Mackinac.
- macaroni wheat — durum wheat.
- machicolations — Plural form of machicolation.
- machine finish — a very smooth paper surface, created by a machine.
- machine pistol — a fully automatic pistol; submachine gun.
- machine stitch — a stitch created by a sewing machine
- machine-stitch — to sew on a sewing machine.
- macintosh iicx — (computer) (Mac IIcx) A version of Apple's Macintosh II personal computer, introduced in 1989, with a Motorola 68030 processor running at 16 MHz and up to 128 MB of RAM (120 ns, 30-pin DRAM chips). The IIcx requires System 6.0.3 or later and requires "Mode 32" or "32-bit Enabler" to use more than 8MB of RAM. It was discontinued 1991, and in 1996 is still considered one of the best-designed Macs ever.
- magnetic chart — a chart showing the magnetic properties of a portion of the earth's surface, as dip, variation, and intensity.
- magnetic epoch — a geologically long period of time during which the magnetic field of the earth retains the same polarity. The magnetic field may reverse during such a period for a geologically short period of time (a magnetic event)
- magnetic north — north as indicated by a magnetic compass, differing in most places from true north.
- magnetospheric — Of, pertaining to, or happening within the magnetosphere.
- mail exchanger — (messaging) A server running SMTP Message Transfer Agent software that accepts incoming electronic mail and either delivers it locally or forwards it to another server. The mail exchanger to use for a given domain can be discovered by querying DNS for Mail Exchange Records.
- mainland china — the People's Republic of China, as distinguished from Taiwan.
- marginal hacks — (humour) Margaret Jacks Hall, a building into which the Stanford AI Lab was moved near the beginning of the 1980s (from the D.C. Power Lab).
- mariana trench — a depression in the ocean floor of the Pacific, S and W of the Mariana Islands: site of greatest known depth of any ocean. 36,201 feet (11,034 meters) deep.
- marking scheme — a plan or guidelines used in the marking of school children's or students' written work by teaching staff
- mashie niblick — a club with an iron head whose face has more slope than a mashie but less slope than a pitcher.
- mathematicians — Plural form of mathematician.
- mechanicalness — (uncountable) The state or characteristic of being mechanical.
- mechanicsville — a village in E Virginia, near Richmond: Civil War battle 1862.
- medicine chest — bathroom cabinet
- medicine wheel — a Native American ceremonial tool representing a sacred circle