15-letter words containing a, r, n, d
- alkylating drug — any of various potentially cytotoxic, carcinogenic, and mutagenic substances: used therapeutically to destroy cells, especially proliferating cancer cells.
- alpha radiation — alpha particles emitted from a radioactive isotope
- american indian — American Indian people or things belong to or come from one of the native peoples of America.
- american linden — any tree of the genus Tilia, as T. americana (American linden) or T. europaea (European linden) having fragrant yellowish-white flowers and heart-shaped leaves, grown as an ornamental or shade tree. Compare linden family.
- an axe to grind — an ulterior motive
- andrada e silva — José Bonifacio de [zhaw-ze baw-nee-fah-syoo di] /ʒɔˈzɛ ˌbɔ niˈfɑ syʊ dɪ/ (Show IPA), 1763–1838, Brazilian statesman and scientist: architect of Brazilian independence.
- andrew carnegie — Andrew, 1835–1919, U.S. steel manufacturer and philanthropist, born in Scotland.
- andrew of crete — a.d. c650–730, Greek poet and Orthodox archbishop of Crete.
- andrographolide — (organic compound) A bitter labdane diterpenoid that is the main bioactive component of the medicinal plant Andrographis paniculata, effective against certain cancers.
- andromonoecious — (of a plant species) having hermaphrodite and male flowers on the same plant
- androstenedione — a weak hormone, C19H26O2, produced by the ovaries, testes, and adrenal glands as a precursor to estrogen, testosterone, etc.: formerly taken in a concentrated tablet or capsule form as by some bodybuilders
- aneroid capsule — a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.
- anne of denmark — 1574–1619, wife (from 1589) of James I of England and VI of Scotland
- anniversary day — a day for celebrating the foundation date of one of the former Provinces
- annulled branch — delayed control-transfer
- answer the door — When you answer the door, you go and open the door because a visitor has knocked on it or rung the bell.
- anti-depressant — An anti-depressant is a drug which is used to treat people who are suffering from depression.
- anti-federalism — U.S. History. a member or supporter of the Antifederal party.
- anti-productive — having the power of producing; generative; creative: a productive effort.
- anti-radicalism — the holding or following of radical or extreme views or principles.
- antiaphrodisiac — something that represses sexual desire
- anticancer drug — a drug used to treat cancer
- anticardiolipin — (medicine, immunology) Directed against cardiolipin.
- antidepressants — of or relating to a substance that is used in the treatment of mood disorders, as characterized by various manic or depressive affects.
- antifederalists — Plural form of antifederalist.
- antitraditional — opposed to or acting with disregard for tradition
- appendicularian — of or relating to a family of molluscs (Appendicularia) characterized by their long tail appendages
- argyll and bute — a council area in W Scotland on the Atlantic Ocean: in 1975 the historical counties of Argyllshire and Bute became part of Strathclyde region; in 1996 they were reinstated as a single unitary authority. Argyll and Bute is mountainous and includes the islands of Bute, Mull, Islay, and Jura. Administrative centre: Lochgilphead. Pop: 91 300 (2003 est). Area: 6930 sq km (2676 sq miles)
- armaments depot — a store for armaments
- around the bend — to force (an object, especially a long or thin one) from a straight form into a curved or angular one, or from a curved or angular form into some different form: to bend an iron rod into a hoop.
- around the horn — (thrown) from third base to second to first in trying for a double play
- arrest judgment — to stay proceedings after a verdict, on the grounds of error or possible error
- arrondissements — Plural form of arrondissement.
- arts and crafts — decorative handicraft and design, esp that of the Arts and Crafts movement, in late nineteenth-century Britain, which sought to revive medieval craftsmanship
- assured tenancy — an agreement between a government-approved body such as a housing association and a tenant for occupation of a newly-built house or flat at an agreed market rent, under which the tenant has security of tenure
- astrodynamicist — a person who studies astrodynamics
- atlantic ridley — ridley (def 1).
- atlantic-ridley — ridley (def 1).
- audience rating — a figure based on statistical sampling indicating what proportion of the total listening and viewing audience tune in to a specific programme or network
- audio frequency — a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear
- audio recording — an electronic recording of sound
- auditor general — (in Canada) a federal official responsible for auditing government departments and making an annual report
- auf wiedersehen — goodbye, until we see each other again
- augmented roman — a writing system based on an expanded English alphabet, consisting of 43 characters representing different phonemes of spoken English, used for teaching beginners to read. Abbreviation: I.T.A., i.t.a.
- badminton court — the court on which games of badminton are played
- baggage handler — a person who moves baggage onto and off planes at an airport
- balanced rudder — a rudder so designed that the center of water pressure on the forward face, when turned, lies about halfway along the length, minimizing the turning effort required.
- ballroom dancer — a person who participates in ballroom dancing
- banded anteater — an Australian marsupial, Myrmecobius fasciatus, feeding on termites and having the body marked with whitish transverse bars: nearly extinct.
- bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.