17-letter words containing y, h
- diethylene glycol — a syrupy colorless liquid, C 4 H 10 O 3 , used as a solvent for cellulose nitrate and as a fabric softener.
- 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.
- 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.
- do your own thing — If you do your own thing, you live, act, or behave in the way you want to, without paying attention to convention or depending on other people.
- dog and pony show — an elaborate sales, advertising, or publicity presentation or campaign.
- drive-by shooting — an incident in which a person, building, or vehicle is shot at by someone in a moving vehicle
- dwarf huckleberry — tangleberry.
- eastern orthodoxy — the faith, practice, membership, and government of the Eastern Orthodox Church.
- 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.
- electromyographic — Using electromyography.
- electrophysiology — The branch of physiology that deals with the electrical phenomena associated with nervous and other bodily activity.
- electrotechnology — the technological use of electric power
- 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.
- ethinyloestradiol — Alternative form of ethinylestradiol.
- ethnopharmacology — The scientific study correlating ethnic groups, their health, and how it relates to their physical habits and methodology in creating and using medicines.
- ethylmethylketone — (organic compound) The industrial solvent butanone.
- fee-paying school — a school which charges fees to parents of pupils
- firehose syndrome — (networking, jargon) An absence, failure or inadequacy of flow control mechanisms causing the sender to overwhelm the receiver. The implication is that, like trying to drink from a firehose, the consequenses are worse than just loss of data, e.g. the receiver may crash. See ping-flood.
- flash photography — photography using a momentary flash of artificial light as a source of illumination.
- fountain of youth — a fabled spring whose waters were supposed to restore health and youth, sought in the Bahamas and Florida by Ponce de León, Narváez, De Soto, and others.
- four-part harmony — harmony in which each chord has four tones, creating, in sum, four melodic lines.
- friend of dorothy — a male homosexual
- geothermal energy — Geothermal energy is energy from temperature differences inside the earth's crust.
- glastonbury chair — a folding chair having legs crossed front-to-back and having arms connected to the back and to the front seat rail.
- globus hystericus — the sensation of having a lump in the throat or difficulty in swallowing for which no medical cause can be found.
- glory-of-the-snow — any of several plants belonging to the genus Chionodoxa, of the lily family, native to the Old World, having showy, blue, white, or pink flowers that bloom early in the spring.
- glycosphingolipid — (biochemistry) a lipid that contains at least one monosaccharide unit and either a sphingoid or a ceramide.
- glymphatic system — Anatomy. the system or process by which cerebrospinal fluid moves through channels formed by glia, cleansing the mammalian brain of harmful waste.
- go by the wayside — to be put aside on account of something more urgent
- go out of the way — to inconvenience oneself; do something that one would not ordinarily do, or that requires extra or deliberate effort or trouble
- go to the country — If a head of government or a government goes to the country, they hold a general election.
- go without saying — something said, especially a proverb or apothegm.
- great grey shrike — the bird Lanius excubitor
- guardhouse lawyer — a person in military service, especially an inmate of a guardhouse or brig, who is or claims to be an authority on military law, regulations, and soldiers' rights.
- haematocrystallin — Alternative form of hematocrystallin.
- haemoglobinopathy — (medicine) Any of a group of inherited disorders in which haemoglobin does not function properly.
- haemorrhoidectomy — surgical removal of haemorrhoids
- hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
- hamiltonian cycle — Hamiltonian problem
- hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)