17-letter words containing h, e, m
- complexity theory — the study of complex systems, including subjects such as chaos theory and genetic algorithms
- comprehensibility — capable of being comprehended or understood; intelligible.
- comprehensiveness — of large scope; covering or involving much; inclusive: a comprehensive study of world affairs.
- compressed speech — speech reproduced on tape at a faster rate than originally spoken, but without loss of intelligibility, by being filtered through a mechanism that deletes very small segments of the original signal at random intervals.
- 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
- concurrent scheme — (language) A parallel Lisp, for the Mayfly by M. Swanson
- 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.
- culpable homicide — manslaughter
- cyclamen aldehyde — a colorless to light-yellow alcohol-soluble, synthetic liquid, C 13 H 18 O, having a strong floral odor, used chiefly in perfumes, especially those of soap.
- dead man's handle — a safety switch on a piece of machinery, such as a train, that allows operation only while depressed by the operator
- death's-head moth — a European hawk moth, Acherontia atropos, having markings resembling a human skull on its upper thorax
- deduction theorem — the property of many formal systems that the conditional derived from a valid argument by taking the conjunction of the premises as antecedent and the conclusion as consequent is true
- defence mechanism — A defence mechanism is a way of behaving or thinking which is not conscious or deliberate and is an automatic reaction to unpleasant experiences or feelings such as anxiety and fear.
- defense mechanism — A defense mechanism is a way of behaving or thinking which is not conscious or deliberate and is an automatic reaction to unpleasant experiences or feelings such as anxiety and fear.
- demythologization — The act of demythologizing, or something demythologized.
- 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.
- dextroamphetamine — a dextrorotatory amphetamine, used to suppress appetite
- diaphragm pessary — a device for inserting into the vagina to deliver a drug, such as a contraceptive
- diaphragm shutter — a camera shutter having a group of overlapping blades that open and close at the center when exposing film.
- dictating machine — a device that records spoken words, as on audiocassettes, for playing back later to prepare a transcript
- diethyltryptamine — a synthetic derivative of tryptamine with hallucinogenic and psychotogenic effects. Abbreviation: DET.
- dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
- dihydromorphinone — a narcotic compound, C 17 H 19 O 3 N, prepared from morphine and used chiefly as an analgesic.
- dimethylformamide — a colourless liquid widely used as a solvent and sometimes as a catalyst. Formula: (CH3)2NCHO
- dimethylhydrazine — a flammable, highly toxic, and colorless liquid, C 2 H 8 N 2 , used as a component in jet and rocket fuels.
- dimethylsulfoxide — DMSO.
- displacement hull — a hull that displaces a significant volume of water when under 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.
- dog in the manger — a person who selfishly keeps something that he or she does not really need or want so that others may not use or enjoy it.
- down in the dumps — If you are down in the dumps, you are feeling very depressed and miserable.
- down-in-the-mouth — glum
- dutch elm disease — a disease of elms characterized by wilting, yellowing, and falling of the leaves and caused by a fungus, Ceratostomella ulmi, transmitted by bark beetles.
- eat flaming death — (humour, abuse) A construction popularised among hackers by the infamous CPU Wars comic; supposedly derive from a famously turgid line in a WWII-era anti-Nazi propaganda comic that ran "Eat flaming death, non-Aryan mongrels!" or something of the sort (however, it is also reported that the Firesign Theater's 1975 album "In The Next World, You're On Your Own" included the phrase "Eat flaming death, fascist media pigs"; this may have been an influence). Used in humorously overblown expressions of hostility. "Eat flaming death, EBCDIC users!"
- echoencephalogram — a graphic record produced by an echoencephalograph.
- edward the martyr — Saint. ?963–978 ad, king of England (975–78), son of Edgar: murdered. Feast day: March 18
- 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
- embroidery thread — a thread used for embroidery
- encephalomyelitic — Relating to encephalomyelitis.
- encephalomyelitis — Inflammation of the brain and spinal cord, typically due to acute viral infection.
- ethernet meltdown — A network meltdown on Ethernet.
- ethnomusicologist — A researcher in the field of ethnomusicology.