23-letter words containing r, h, e, a
- greater spotted dogfish — a cat shark found in the Northeast Atlantic, Scyliorhinus stellaris
- haleakala national park — a national park on Maui, Hawaii: site of 21-mile (34-km) diameter volcanic crater. 43 sq. mi. (111 sq. km).
- 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
- hang out your/a shingle — If you hang out your shingle or hang out a shingle, you start your own business.
- 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 bats in the belfry — to be mad or eccentric; have strange ideas
- have one over the eight — to be drunk
- have one's act together — anything done, being done, or to be done; deed; performance: a heroic act.
- have one's heart set on — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
- have one's work cut out — to have as much work as one can manage
- 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.
- hermit of st. augustine — a member of an order of mendicant friars, founded in 1256.
- heterogeneous catalysis — Heterogeneous catalysis is catalysis in which the catalyst does not take part in the reaction that it increases.
- hexagonal cross-section — If a kelly has a hexagonal cross-section, it has a surface area with six equal sides, when looked at as if has been sliced through.
- hierarchical navigation — (web) On a web page, any type of menu whose hierarchical structure matches that of the site to which the page belongs. A hierarchical navigation menu allows the user to jump ("navigate") directly to a section of the site several levels below the top. The menu may present only a fixed number of levels rather than the whole structure.
- higher national diploma — a work-related higher education qualification, taking two years full-time.
- hire purchase agreement — an agreement between a seller and a buyer for the buyer to purchase something on hire purchase
- 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.
- horsehair-blight fungus — a fungal parasite, Marasmius equicrinis, that causes a disease of certain tropical plants, especially tea.
- hortense de beauharnais — Beauharnais, Eugénie Hortense de.
- human rights campaigner — a person who campaigns for human rights
- hunchback of notre dame — French Notre Dame de Paris. a novel (1831) by Victor Hugo.
- hunter-killer satellite — a satellite designed to seek out and destroy a nearby enemy satellite by exploding itself into a cloud of high-speed metal fragments.
- hunter-killer submarine — a submarine designed and equipped to pursue and destroy enemy craft
- hypergeometric equation — a differential equation of the form, (x 2 − x) d 2 y / d 2 x + [(a+b +1) x−c ] dy/dx + abx =0, where a, b, and c are arbitrary constants.
- hypobetalipoproteinemia — (pathology) A low level of betalipoprotein (low-density lipoprotein) in the bloodstream.
- hypothetical imperative — (esp in the moral philosophy of Kant) any conditional rule of action, concerned with means and ends rather than with duty for its own sake
- icosidodecadodecahedron — A polyhedron having 44 faces, 60 vertices, 120 edges, 12 self intersected faces and 12 nonconvex faces.
- immigration authorities — the authorities or official government bodies who regulate laws regarding immigration and immigrants
- in the arms of morpheus — sleeping
- in the nature of things — If you say that something is in the nature of things, you mean that you would expect it to happen in the circumstances mentioned.
- in your heart of hearts — If you believe or know something in your heart of hearts, that is what you really believe or think, even though it may sometimes seem that you do not.
- inherently safer design — Inherently safer design is when a lot of consideration is given to safety when designing a process.
- interchange file format — (file format) (IFF, full name "EA IFF 1985") A generic file format published by Electronic Arts as an open standard. IFF is chunk-based and hierarchical so files can include other files. It is easily extensible and an all round Good Idea. An IFF file starts with one of the following "group IDs": 'FORM', 'LIST' or 'CAT '. This is followed by an unsigned 32-bit number of bytes in the remainder of the file. Then comes an ID that indicates which type of IFF file this is. The main image type is ILBM, audio is either AIFF or 8SVX, animations are ANIM etc. An IFF file will probably have a filename extension related to this file type stored in the file. The rest of the file is divided into chunks each of which also has a four-byte header and byte count.
- intermediate technology — technology which combines sophisticated ideas with cheap and readily available materials, esp for use in developing countries
- irish christian brother — Brother of the Christian Schools (def 2).
- keep sb at arm's length — If you keep someone at arm's length, you avoid becoming too friendly or involved with them.
- 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.
- kick against the pricks — to hurt oneself by struggling against something in vain
- kinetic theory of gases — a theory that the particles in a gas move freely and rapidly along straight lines but often collide, resulting in variations in their velocity and direction. Pressure is interpreted as arising from the impacts of these particles with the walls of a container.
- lady chatterley's lover — a novel (1928) by D. H. Lawrence.
- largemouth (black) bass — a black bass (Micropterus salmoides) found in warm, sluggish waters
- laughlin air force base — U.S. Air Force installation in SW Texas, SE of Del Rio.
- lead up the garden path — a plot of ground, usually near a house, where flowers, shrubs, vegetables, fruits, or herbs are cultivated.
- lesser peach tree borer — the larva of a clearwing moth, Synanthedon pictipes, distributed throughout the eastern U.S. and Canada but most prevalent in the South, that burrows into the injured trunks and branches of stone fruit trees.
- 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.