18-letter words containing a, l, u, d
- foundling hospital — an institutional home for foundlings.
- frederick douglass — Frederick, 1817–95, U.S. ex-slave, abolitionist, and orator.
- fuel-saving device — a device that increases the fuel efficiency of a vehicle, so that it uses less fuel for a further distance
- fulminating powder — powder that explodes by percussion.
- functional disease — a disease in which there is an abnormal change in the function of an organ, but no structural alteration in the tissues involved (opposed to organic disease).
- gabriele dannunzio — Gabriele [Italian gah-bree-e-le] /Italian ˌgɑ briˈɛ lɛ/ (Show IPA), (Duca Minimo) 1863–1938, Italian soldier, novelist, and poet.
- galactic longitude — the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius.
- giuseppe garibaldi — Giuseppe [juh-sep-ee;; Italian joo-zep-pe] /dʒəˈsɛp i;; Italian dʒuˈzɛp pɛ/ (Show IPA), 1807–82, Italian patriot and general.
- good conduct medal — a medal awarded an enlisted person for meritorious behavior during the period of service.
- graduated cylinder — a narrow, cylindrical container marked with horizontal lines to represent units of measurement and used to precisely measure the volume of liquids.
- grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
- grandfather clause — U.S. History. a clause in the constitutions of some Southern states after 1890 intended to permit whites to vote while disfranchising blacks: it exempted from new literacy and property qualifications for voting those men entitled to vote before 1867 and their lineal descendants.
- granulated surface — a roughened surface
- grumbling appendix — a condition in which the appendix causes intermittent pain but appendicitis has not developed
- guidance counselor — advisor in schools
- handlebar mustache — A handlebar mustache is a long thick mustache with curled ends.
- head and shoulders — If you say that someone or something stands head and shoulders above other people or things, you mean that they are a lot better than them.
- hebdomadal council — the governing council or senate of Oxford University
- hold up one's head — to be unashamed
- house of delegates — the lower house of the General Assembly in Virginia, West Virginia, and Maryland.
- hydroflumethiazide — A diuretic drug.
- hydrofluorocarbons — Plural form of hydrofluorocarbon.
- hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
- independent clause — a clause that can stand alone as a sentence, containing a subject and a predicate with a finite verb, as I was there in the sentence I was there when he arrived.
- individual liberty — the liberty of an individual to exercise freely those rights generally accepted as being outside of governmental control.
- indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
- inductive relation — A relation R between domains D and E is inductive if for all chains d1 .. dn in D and e1 .. en in E,
- indus civilization — an ancient civilization that flourished in the Indus River valley, from about 2500 to 1500 b.c.: extensive archaeological excavations at the main sites of Mohenjo-Daro and Harappa in Pakistan.
- industrial diamond — a small often synthetic diamond, valueless as a gemstone, used in cutting tools, abrasives, etc
- industrial disease — occupational disease (def 1).
- industrial dispute — disagreement between workers and managers
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- industrial vehicle — a vehicle designed for use in industry
- informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
- instrument landing — an aircraft landing accomplished by use of gauges on the instrument panel and ground-based radio equipment, with limited reference to outside visual signals.
- jerusalem syndrome — a delusive condition affecting some visitors to Jerusalem in which the sufferer identifies with a major figure from his or her religious background
- juan ponce de leon — Juan [hwahn] /ʰwɑn/ (Show IPA), c1460–1521, Spanish explorer.
- laugh like a drain — to laugh loudly and coarsely
- lay down your arms — If soldiers lay down their arms, they stop fighting and give up their weapons.
- little namaqualand — an arid coastal region in the S part of Namibia, extending into the Cape of Good Hope province of the Republic of South Africa, divided by the Orange River into two regions, one in Namibia (Great Namaqualand) the other in South Africa (Little Namaqualand) inhabited by the Nama.
- logarithmus dualis — (mathematics) (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
- lunitidal interval — the period of time between the moon's transit and the next high lunar tide.
- malicious wounding — the intentional violent wounding or injuring of someone
- marsilius of padua — c1280–1343? Italian scholar and political theorist.
- mato grosso do sul — a state of W central Brazil: formed in 1979 from part of Mato Grosso state. Capital: Campo Grande. Pop: 2 140 624 (2002). Area: 350 548 sq km (135 318 sq miles)
- maximum likelihood — greatest probability
- mercury delay line — (storage, history) An archaic first-in first-out fixed time period data storage device using acoustic transducers to transmit data as waves in a trough or tube of mercury. EDSAC (Cambridge) and UNIVAC I used delay lines.
- modelling language — (language) Possibly a kind of programming language designed for describing models and their behaviour. See also data modelling, object relational model, simulation, UML, VRML.
- modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
- molecular medicine — the study of disease or injury at the molecular or cellular level.