17-letter words containing a, t, h, i
- dental technician — a person who constructs and repairs artificial teeth
- dephlogisticating — Present participle of dephlogisticate.
- dephosphorylation — the removal of a phosphate group from an organic compound, as in the changing of ATP to ADP.
- designated hitter — In baseball, a designated hitter is a player who bats in place of the pitcher.
- despotic monarchy — absolute monarchy.
- desynchronisation — (British spelling) Alternative form of desynchronization.
- desynchronization — to cause to indicate the same time, as one timepiece with another: Synchronize your watches.
- dextroamphetamine — a dextrorotatory amphetamine, used to suppress appetite
- diacetone alcohol — a colorless, flammable liquid with a pleasant odor, C 6 H 12 O 2 : used as a solvent for lacquers, dyes, cellulose nitrate, and resins.
- dialect geography — linguistic geography
- diaphragm shutter — a camera shutter having a group of overlapping blades that open and close at the center when exposing film.
- diaphragmatically — By use of the diaphragm; in a diaphragmatic way.
- dibutyl phthalate — a colorless oily liquid, C 16 H 22 O 4 , insoluble in water, used as a solvent, insect repellent, and plasticizer.
- 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.
- digital dashboard — (software) A personalised desktop portal that focuses on business intelligence and knowledge management.
- dihydroergotamine — an ergot alkaloid, C 33 H 37 N 5 O 5 , used in the treatment of various types of migraine headache.
- 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.
- diphenylacetylene — tolan.
- diphenylhydantoin — a white, slightly water-soluble powder, C 15 H 11 N 2 O 2 , used in the form of its sodium salt to prevent or arrest convulsions in epilepsy.
- dipped headlights — road vehicle headlights which have been switched from the main to the lower beam
- displacement hull — a hull that displaces a significant volume of water when under way.
- distance teaching — teaching via correspondence or the internet, where students are not physically present in a classroom
- 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.
- drive to the wall — to force into an awkward situation
- drive up the wall — to cause to become crazy or furious
- dull as dishwater — water in which dishes are, or have been, washed.
- dutch east indies — a former name of the Republic of Indonesia.
- 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.
- east renfrewshire — a council area of W central Scotland, comprising part of the historical county of Renfrewshire; part of Strathclyde region from 1975 to 1996: chiefly agricultural and residential. Administrative centre: Giffnock. Pop: 89 680 (2003 est). Area: 173 sq km (67 sq miles)
- eastern townships — an area of central Canada, in S Quebec: consists of 11 townships south of the St Lawrence
- 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!"
- echo cancellation — A process which removes unwanted echoes from the signal on a telephone line. Echoes are usually caused by impedance mismatches along an analogue line.
- ehelp corporation — (company) A vendor of Microsoft Windows application development tools such as RoboHELP and RoboDemo. EHelp were formerly (around 1997) Blue Sky Software. Address: 7777 Fay Avenue, Suite 201, La Jolla, CA 92037, USA. Telephone: +1-800-793-0364, +1 (619) 459 6365. Fax: +1 (619) 459 6366.
- electroanesthesia — Anesthesia induced by cranial electrotherapy stimulation.
- electrochemically — In an electrochemical manner.
- electromechanical — Of, relating to, or denoting a mechanical device that is electrically operated.
- electromyographic — Using electromyography.
- 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.
- english breakfast — An English breakfast is a breakfast consisting of cooked food such as bacon, eggs, sausages, and tomatoes. It also includes toast and tea or coffee.
- epithelialization — (biology) the process that covers a wound with epithelial tissue.
- equivalent weight — the weight of an element or compound that will combine with or displace 8 grams of oxygen or 1.007 97 grams of hydrogen
- establishing shot — Cinema
- ethinyloestradiol — Alternative form of ethinylestradiol.
- exception handler — Special code which is called when an exception occurs during the execution of a program. If the programmer does not provide a handler for a given exception, a built-in system exception handler will usually be called resulting in abortion of the program run and some kind of error indication being returned to the user. Examples of exception handler mechanisms are Unix's signal calls and Lisp's catch and throw.
- exceptional child — a gifted child
- exhaust emissions — Exhaust emissions are substances that come out of an exhaust system into the atmosphere.