21-letter words containing h, e, l, n
- a fine kettle of fish — an awkward situation; mess
- a fly in the ointment — If you describe someone or something as a fly in the ointment, you think they spoil a situation and prevent it being as successful as you had hoped.
- a rap on the knuckles — If someone in authority gives you a rap on the knuckles, they criticize you or blame you for doing something they think is wrong.
- ada core technologies — (company) (ACT) The company that maintains GNAT. Ada Core Technologies was founded in 1994 by the original authors of the GNAT compiler. ACT provides software for Ada 95 development.
- add fuel to something — If something adds fuel to a conflict or debate, or adds fuel to the fire, it makes the conflict or debate more intense.
- adela rogers st johns — Adela Rogers, 1894–1988, U.S. journalist and writer.
- afro-american english — Black English (def 1).
- alcohol dehydrogenase — an enzyme that catalyzes the oxidation of ethanol and other alcohols to acetaldehyde using NAD+, the first step in the metabolism of alcohol by the liver.
- aleksandr-nikolaevich — Alexander (Aleksandr Nikolaevich) 1899–1977, Russian pianist and composer, in the U.S.
- alexander archipelago — a group of over 1000 islands along the coast of SE Alaska
- alexander graham bell — Acton [ak-tuh n] /ˈæk tən/ (Show IPA) pen name of Anne Brontë.
- algorithm description — (language) (ALDES) ["The Algorithm Description Language ALDES", R.G.K. Loos, SIGSAM Bull 14(1):15-39 (Jan 1976)].
- all things considered — You say all things considered to indicate that you are making a judgment after taking all the facts into account.
- alpha centauri system — a star system comprising the binary star Alpha Centauri A and B and Proxima Centauri (also called Alpha Centauri C), which is 0.1 light years closer to the sun. Visual magnitude: 0.01 (A), 1.33 (B); spectral type: G2V (A); distance from earth: 4.3 light years
- american saddle horse — one of a breed of horses, raised originally in the U.S., that have high-stepping gaits and are bred to the three-gaited or five-gaited type.
- anatomy of melancholy — a philosophical treatise (1621) by Robert Burton.
- aniline hydrochloride — a white, crystalline, water-soluble solid, C 6 H 5 NH 2 ⋅HCl, used chiefly as an intermediate in the manufacture of dyes, especially aniline black.
- annual change traffic — (software) (ACT) The fraction of the software product's source code which changes during a year, either through addition or modification. The ACT can be used to determine the product size in order to estimate software maintenance effort.
- antarctic archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- antihemophilic factor — a protein that is essential to normal blood clotting and is lacking or deficient in persons having hemophilia A. Abbreviation: AHF.
- anton van leeuwenhoek — Anton van [ahn-tawn vahn] /ˈɑn tɔn vɑn/ (Show IPA), 1632–1723, Dutch naturalist and microscopist.
- archimedes' principle — a law of physics stating that the apparent upward force (buoyancy) of a body immersed in a fluid is equal to the weight of the displaced fluid
- architecture parlante — the architecture of buildings that, in their plans or elevations, create an image that suggests their functions.
- arithmetic logic unit — the part of a central processing unit that performs arithmetic and logical operations
- arithmetic/logic unit — ALU.
- asiliant technologies — (company) A company founded by a group of former Chips and Technologies employees with experience with the CHIPS products, suppliers, distributors and customers. Asiliant offer C&T's industry standard Flat Panel and CRT controller family.
- athenaeus of attaleia — Greek physician in Rome, fl. a.d. c40–65.
- atomic unit of length — (in the Bohr atom) the radius of the electron orbit having the lowest energy.
- averaging light meter — an exposure meter that evaluates light measured from all parts of the picture area to generate an average reading.
- balance sheet account — A balance sheet account is an account in the chart of accounts that is reported on the balance sheet.
- be in black and white — You say that something is in black and white when it has been written or printed, and not just said.
- be in the melting pot — If something is in the melting pot, you do not know what is going to happen to it.
- be on the danger list — to be critically ill in hospital
- behavioural contagion — the spread of a particular type of behaviour, such as crying, through a crowd or group of people
- behind the eight ball — in a difficult situation; snookered
- benzalkonium chloride — a white or yellowish-white, water-soluble mixture of ammonium chloride derivatives having the structure C 8 H 10 NRCl, where R is a mixture of radicals ranging from C 8 H 17 – to C 18 H 37 –, that occurs as an amorphous powder or in gelatinous lumps: used chiefly as an antiseptic and a disinfectant.
- benzethonium chloride — a colorless, water-soluble, crystalline solid, ammonium chloride derivative, (C 27 H 42 O 2 N)Cl⋅H 2 O, used chiefly as an antiseptic.
- beta-naphthyl radical — Also called alpha-naphthyl group, alpha-naphthyl radical. the univalent group C 1 0 H 7 –, having a replaceable hydrogen atom in the first, or alpha, position; 1-naphthyl group.
- biobehavioral science — any of the various branches of the life sciences, as neurobiology, neurochemistry, or neuroendocrinology, that deal with biological aspects of behavior.
- blackburn with darwen — a unitary authority in NW England, in Lancashire. Pop: 139 800 (2003 est). Area: 137 sq km (53 sq miles)
- blot on the landscape — If you describe something such as a building as a blot on the landscape, you mean that you think it is very ugly and spoils an otherwise attractive place.
- blow the whistle (on) — to report or inform (on)
- bluethroat pikeblenny — See under pikeblenny.
- bonnie prince charlie — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.
- bow to the inevitable — If someone bows to the inevitable and does something that they do not want to do, they do it, because circumstances force them to do it.
- breakthrough bleeding — bleeding from the uterus that occurs between menstrual periods
- british anti-lewisite — a colorless, oily, viscous liquid, C 3 H 8 OS 2 , originally developed as an antidote to lewisite and now used in treating bismuth, gold, mercury, and arsenic poisoning.
- british sign language — the main sign language used by deaf people in the United Kingdom
- burn the midnight oil — to work or study late into the night
- businessman's holiday — busman's holiday.
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