21-letter words containing a, h, o, l, d
- a world heritage site — a site of international importance
- 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.
- 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
- 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.
- 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.
- 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.
- as luck would have it — fortunately
- be on the danger list — to be critically ill in hospital
- 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.
- black-headed fireworm — the larva of any of several moths, as Rhopobota naevana (black-headed fireworm) which feeds on the leaves of cranberries and causes them to wither.
- 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.
- breakthrough bleeding — bleeding from the uterus that occurs between menstrual periods
- broadleaved whitebeam — a whitebeam, Sorbus latifolia, widely found in France and England, also planted as an ornamental
- businessman's holiday — busman's holiday.
- catch one flat footed — having flatfeet.
- character development — the portrayal of people in a work of fiction in such a way that the reader or audience seems to learn more about them as they develop
- charge-coupled device — an electronic device, used in imaging and signal processing, in which information is represented as packets of electric charge that are stored in an array of tiny closely spaced capacitors and can be moved from one capacitor to another in a controlled way
- class-relation method — (programming) A design technique based on the concepts of object-oriented programming and the Entity-Relationship model from the French company Softeam.
- clone-and-hack coding — case and paste
- comfortably-furnished — containing comfortable furniture
- conditional discharge — If someone who is convicted of an offence is given a conditional discharge by a court, they are not punished unless they later commit a further offence.
- cosmological redshift — the part of the redshift of celestial objects resulting from the expansion of the universe.
- crude oil dehydration — Crude oil dehydration is the removal of water or water vapor from crude oil, by separating the oil from the water, often in a rotating centrifuge.
- dataflow architecture — a means of arranging computer data processing in which operations are governed by the data present and the processing it requires rather than by a prewritten program that awaits data to be processed
- de-ontological ethics — the branch of ethics dealing with right action and the nature of duty, without regard to the goodness or value of motives or the desirability of the ends of any act.
- dendrochronologically — By the use of, or with reference to dendrochronology.
- denominational school — a school associated with a particular religious denomination
- diapason normal pitch — a standard of pitch in which A above middle C is established at 435 vibrations per second.
- double spanish burton — a tackle having one standing block and two running blocks, giving a mechanical advantage of five, neglecting friction.
- downhole safety valve — A downhole safety valve is a piece of safety equipment used inside a well, which isolates wellbore pressure and fluid if something bad happens.
- enhanced oil recovery — any of several techniques that make it possible to recover more oil than can be obtained by natural pressure, such as the injection of fluid or gases into an oilfield to force more oil to the surface
- enharmonic modulation — a change of key achieved by regarding a note in one key as an equivalent note in another. Thus E flat in the key of A flat could be regarded as D sharp in the key of B major
- fluorophosphoric acid — any of three acids containing fluorine and phosphorus, HPF 6 , HPO 2 F 2 , or H 2 PO 3 F.
- gentleman of the road — a highwayman.
- goldbach's conjecture — the conjecture that every even number greater than two is the sum of two prime numbers
- have one's hands full — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- hildegard (of bingen) — Saint(1098-1179); Ger. nun, composer, & mystic: her day is Sept. 17
- horns and halo effect — a tendency to allow one's judgement of another person, esp in a job interview, to be unduly influenced by an unfavourable (horns) or favourable (halo) first impression based on appearances
- host command facility — (operating system) (HCF) Used to access IBM S/36 and AS/400 computers from a mainframe.
- hydraulic accumulator — an apparatus in which gas, usually air, is used as a cushion or shock absorber in a hydraulic system.
- hyperbolic paraboloid — a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.
- industrial psychology — the application of psychological principles and techniques to business and industrial problems, as in the selection of personnel or development of training programs.
- 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
- jordan-holder theorem — the theorem that for any two composition series of a group, an isomorphism exists between the corresponding quotient groups of each series, taken in some specified order.
- 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.
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