23-letter words containing a, d, e, r
- friedel-crafts reaction — a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride.
- front-end hydrogenation — Front-end hydrogenation is a catalytic process in the early stages of refining which involves the reaction of the carbon-carbon double bond in alkenes with hydrogen.
- frozen food compartment — a compartment of a refrigerator or fridge-freezer for the storage of frozen food
- fundamental interaction — any of the four basic interactions that occur in nature: the gravitational, electromagnetic, strong, and weak interactions
- general-obligation bond — a bond issued by a state or city and backed by general tax revenue and the issuer's credit.
- get down to brass tacks — discuss essentials
- grand duchess charlotte — Grand Duchess (Charlotte Aldegonde Elise Marie Wilhelmine) 1896–1985, sovereign of Luxembourg 1919–64.
- grant-maintained school — a school funded directly by central government
- great black-backed gull — any of several white gulls, as Larus marinus (great black-backed gull) having a black back and wings.
- great-great-grandfather — grandfather of a grandparent
- greater spotted dogfish — a cat shark found in the Northeast Atlantic, Scyliorhinus stellaris
- greatest common divisor — the largest number that is a common divisor of a given set of numbers. Abbreviation: G.C.D.
- guillain-barre syndrome — an uncommon, usually self-limited form of polyneuritis, occurring after a viral illness or immunization and manifested by loss of muscle strength, loss of or altered sensation and sometimes paralysis.
- handwriting on the wall — writing done with a pen or pencil in the hand; script.
- hang on someone's words — to listen to someone eagerly
- harvard mark ii machine — (computer, history) A relay-based computer designed and built by Howard Aiken, with support from IBM, for the United States Navy's Naval Proving Ground, between 1942 - 1947. The Harvard Mark II was the second in a series of four electro-mechanical computers that were forerunners of the ENIAC.
- hate-driven development — (programming, humour) A play on test-driven development for use when a piece of code is not necessarily broken but you hate the way it is written so much that you feel compelled to rewrite it.
- have struck/hit paydirt — If you say that someone has struck paydirt or has hit paydirt, you mean that they have achieved sudden success or gained a lot of money very quickly.
- higher national diploma — a work-related higher education qualification, taking two years full-time.
- hold on like grim death — to hold very firmly or resolutely
- hollerithabetical order — (algorithm) Sorted into the order a standard Hollerith card sorting machine produces, with special characters interleaved within the alphabet.
- hook-and-ladder company — a company of firefighters equipped with a hook-and-ladder truck.
- hortense de beauharnais — Beauharnais, Eugénie Hortense de.
- hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
- icosidodecadodecahedron — A polyhedron having 44 faces, 60 vertices, 120 edges, 12 self intersected faces and 12 nonconvex faces.
- identification bracelet — a bracelet, usually of metal links, having an identification plate for the name of the wearer.
- in a world of one's own — If you say that someone is in a world of their own, you mean that they seem not to notice other people or the things going on around them.
- in someone's bad graces — elegance or beauty of form, manner, motion, or action: We watched her skate with effortless grace across the ice. Synonyms: attractiveness, charm, gracefulness, comeliness, ease, lissomeness, fluidity. Antonyms: stiffness, ugliness, awkwardness, clumsiness; klutziness.
- indeterminacy principle — uncertainty principle.
- indirect discrimination — discrimination by means of rules, regulations or procedures that may appear to be neutral, but which actually discriminate against certain groups of people.
- inherently safer design — Inherently safer design is when a lot of consideration is given to safety when designing a process.
- inland marine insurance — insurance chiefly covering risks to goods and means of transportation involved in the transporting of goods overland or by inland waterways.
- integrated fire control — an electronic system that locates and tracks a target, computes the data, and employs a weapon to destroy it.
- intermediate technology — technology which combines sophisticated ideas with cheap and readily available materials, esp for use in developing countries
- international date line — the line approximately following the 180° meridian from Greenwich on the east side of which the date is one day earlier than on the west
- juan rodriguez cabrillo — Juan Rodríguez [rod-ree-ges] /rɒdˈri gɛs/ (Show IPA), (Joao Rodrigues Cabrilho) 1499?–1543, Spanish explorer, born in Portugal: discovered California.
- keep sth under your hat — If you tell someone to keep a piece of information under their hat, you are asking them not to tell anyone else about it.
- l'apres-midi d'un faune — L'Après-midi d'un Faune.
- lackland air force base — U.S. Air Force installation in SW central Texas, SW of San Antonio.
- lady chatterley's lover — a novel (1928) by D. H. Lawrence.
- lead replacement petrol — a less toxic fuel introduced in 2000 for cars requiring leaded petrol
- lead up the garden path — a plot of ground, usually near a house, where flowers, shrubs, vegetables, fruits, or herbs are cultivated.
- leave no stone unturned — the hard substance, formed of mineral matter, of which rocks consist.
- lieutenant junior grade — a commissioned officer ranking above an ensign and below a lieutenant.
- light and shade surface — (in architectural shades and shadows) a surface in a plane tangent to the parallel rays from the theoretical light source, treated as a shade surface.
- like anything/crazy/mad — You can use the expressions like anything, like crazy, or like mad to emphasize that someone is doing something or something is happening in a very energetic or noticeable way.
- liquefied petroleum gas — a mixture of various petroleum gases, esp propane and butane, stored as a liquid under pressure and used as an engine fuel
- lock, stock, and barrel — a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc.
- long-horned grasshopper — any of numerous insects of the family Tettigoniidae, having long, threadlike antennae and well-developed stridulating organs on the forewings of the male.
- lossy audio compression — (audio, compression) Any audio compression algorithm which does not retain every bit of data but only reproduces a signal that sounds more or less like the original. Examples are MP1, MP2, MP3, AAC.