21-letter words containing a, d, e, g, r, o
- forward exchange rate — the exchange rate of a currency to be delivered at a later date
- fragmentation grenade — a grenade with a heavy metal casing that shatters, on exploding, into fragments that travel at high speed and with great force.
- free alongside vessel — (of a shipment of goods) delivered to the dock without charge to the buyer, but excluding the cost of loading onto the vessel
- gamma hydroxybutyrate — a substance that occurs naturally in the brain, used medically as a sedative but also as a recreational drug and alleged aphrodisiac: known as 'liquid ecstasy' when mixed with alcohol
- garbageabetical order — (humour) 1. The result of using an insertion sort to merge data into an unsorted list. 2. The state of any file or list that is supposed to be sorted, but is not.
- garden of remembrance — an area of land containing cultivated plants, trees, etc, to commemorate the dead
- gas analysis recorder — A gas analysis recorder is a device which samples, records, and analyses gas.
- gas blanketed storage — Gas blanketed storage is the use of gas to fill empty space in a storage tank.
- gender disappointment — a feeling of depression or anxiety experienced by an expectant parent when the gender of the baby does not match his or her preference
- gentleman of the road — a highwayman.
- gideons international — an interdenominational lay society organized in 1899 to place Bibles in hotel rooms.
- giovanni da verrazano — Giovanni da [jaw-vahn-nee dah] /dʒɔˈvɑn ni dɑ/ (Show IPA), c1480–1527? Italian navigator and explorer.
- give a horse its head — to allow a horse to gallop by lengthening the reins
- give sb the runaround — If someone gives you the runaround, they deliberately do not give you all the information or help that you want, and send you to another person or place to get it.
- go down the wrong way — (of food) to pass into the windpipe instead of the gullet
- goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
- got what one deserved — If you say that someone got what they deserved, you mean that they deserved the bad thing that happened to them, and you have no sympathy for them.
- government department — a sector of a national or state government that deals with a particular area of interest
- great victoria desert — a desert in SW central Australia. 125,000 sq. mi. (324,000 sq. km).
- green river ordinance — a local ordinance banning door-to-door selling.
- ground-effect machine — ACV (def 2).
- hildegard (of bingen) — Saint(1098-1179); Ger. nun, composer, & mystic: her day is Sept. 17
- in good circumstances — (of a person) in a good financial situation
- indigenous australian — another name for Aboriginal and Torres Strait Islander
- international brigade — a military force that fought on the Republican side in the Spanish Civil War, consisting of volunteers (predominantly socialists and communists) from many countries
- intravenous drug user — a drug addict who injects drugs (esp heroin) intravenously
- japanese stranglehold — a wrestling hold in which an opponent's wrists are pulled to cross his or her arms in front of his or her own neck and exert pressure on the windpipe
- lactate dehydrogenase — an enzyme that catalyzes the interconversion of pyruvate and lactate, an important step in carbohydrate metabolism: elevated serum levels indicate injury to kidney, skeletal muscle, or heart muscle. Abbreviation: LDH.
- language-based editor — language-sensitive editor
- large hadron collider — a particle accelerator at the European Laboratory for Particle Physics near Geneva, containing a circular underground tunnel 27km (16.8 miles) in circumference, around which two streams of hadrons are sent in opposite directions before being brought together in a high-energy collision
- legionnaire's disease — a serious, sometimes fatal, infection, caused by the bacterium Legionella pneumophila, which has symptoms similar to those of pneumonia: believed to be spread by inhalation of contaminated water vapour from showers and air-conditioning plants
- legionnaires' disease — a type of acute pneumonia caused by Legionella pneumophila bacterium and characterized by fever, chest pain, cough, and muscle aches.
- light armored vehicle — an eight-wheeled armored reconnaissance car with a 25mm cannon, in service with the U.S. Army and Marine Corps in the 1980s.
- magneto-optical drive — magneto-optical disk
- majority shareholding — a holding of more than half a company's shares
- mariage de convenance — marriage entered into for a personal or family advantage, as for social, political, or economic reasons, usually without love and sometimes without the expectation of sexual relations.
- mayor of casterbridge — a novel (1886) by Thomas Hardy.
- meter-kilogram-second — of or relating to the system of units in which the meter, kilogram, and second are the principal units of length, mass, and time. Abbreviation: mks, MKS.
- non-repeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
- one thing and another — You can use the expression 'one thing and another' to suggest that there are several reasons for something or several items on a list, but you are not going to explain or mention them all.
- open trading protocol — Internet Open Trading Protocol
- over and over (again) — repeatedly; time after time
- overhead-valve engine — I-head engine.
- packed encoding rules — (protocol, standard) (PER) ASN.1 encoding rules for producing a compact transfer syntax for data structures described in ASN.1, defined in 1994. PER provides a much more compact encoding then BER. It tries to represents the data units using the minimum number of bits. The compactness requires that the decoder knows the complete abstract syntax of the data structure to be decoded, however. Documents: ITU-T X.691, ISO 8825-2.
- ploughman's spikenard — a European plant, Inula conyza, with tubular yellowish flower heads surrounded by purple bracts: family Asteraceae (composites)
- premium savings bonds — (in Britain) bonds issued by the Treasury since 1956 for purchase by the public. No interest is paid but there is a monthly draw for cash prizes of various sums
- programmed cell death — a normal, genetically regulated process leading to the death of cells and triggered by the presence or absence of certain stimuli, as DNA damage.
- progressive education — any of various reformist educational philosophies and methodologies since the late 1800s, applied especially to elementary schools, that reject the rote recitation and strict discipline of traditional, single-classroom teaching, favoring instead more stimulation of the individual pupil as well as group discussion, more informality in the classroom, a broader curriculum, and use of laboratories, gymnasiums, kitchens, etc., in the school.
- pyrenean mountain dog — a large heavily built dog of an ancient breed originally used to protect sheep from wild animals: it has a long thick white coat with a dense ruff
- radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.