15-letter words containing a, r
- all-wheel drive — a system used in motor vehicles in which all four (or more) wheels are permanently connected to the source of power, in such a way that each wheel is able to rotate at a different speed
- allegoricalness — the quality of being allegorical
- alligator shear — heavy shears for cutting metal slabs.
- allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
- allotetraploidy — the condition of being an allotetraploid
- allotransplants — Plural form of allotransplant.
- allotriomorphic — (of minerals) not having their own regular shape (as determined by their internal structure) but being shaped instead by adjacent minerals
- allyl mercaptan — a colorless liquid, C 3 H 6 S, having a strong, garlicky odor, used in the manufacture of pharmaceuticals.
- almighty dollar — money regarded as a major goal in life or as the basis of power: Love of the almighty dollar has ruined many people.
- almirante brown — a city in E Argentina, near Buenos Aires.
- alopecia areata — loss of hair in circumscribed patches.
- alpes-maritimes — a department of the SE corner of France in Provence-Alpes-Côte-d'Azur region. Capital: Nice. Pop: 1 045 973 (2003 est). Area: 4298 sq km (1676 sq miles)
- alpha geminorum — Castor
- alpha privative — (in Greek grammar) the letter alpha (or an- before vowels) used as a negative or privative prefix. It appears in English words derived from Greek, as in atheist, anaesthetic
- alpha radiation — alpha particles emitted from a radioactive isotope
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- alsace-lorraine — an area of NE France, comprising the modern regions of Alsace and Lorraine: under German rule 1871–1919 and 1940–44. Area: 14 522 sq km (5607 sq miles)
- alta california — a former Spanish colony of New Spain, in the modern-day states of California, Nevada, and N Arizona: ceded by Mexico to the United States 1848.
- altar of repose — a pedestal or niche upon which the sacraments are preserved from Maundy Thursday to Good Friday.
- alternativeness — The state of being alternative or representing alternatives.
- aluminum borate — a white, granular, water-insoluble powder, 2Al 2 O 3 ⋅B 2 O 3 ⋅3H 2 O, used chiefly in the manufacture of crown glass.
- aluminum bronze — any of several alloys containing a high percentage of copper with from 5 to 11 percent aluminum and varying amounts of iron, nickel, manganese, and other elements.
- amador guerrero — Manuel [mah-nwel] /mɑˈnwɛl/ (Show IPA), 1833–1909, Panamanian political leader: first president of Panama 1904–08.
- amaranth family — the plant family Amaranthaceae, typified by herbaceous, often weedy plants having alternate or opposite leaves and small, chaffy flowers without petals in brightly colored dense clusters, including the cockscomb, pigweed, and amaranth.
- amaryllidaceous — of, relating to, or belonging to the Amaryllidaceae, a family of widely cultivated flowering plants having bulbs and including the amaryllis, snowdrop, narcissus, and daffodil
- ambassadorships — Plural form of ambassadorship.
- ambrose channel — a ship channel at the entrance to New York harbor, near Sandy Hook. 7½ miles (12 km) long.
- ambrosia beetle — any of various small beetles of the genera Anisandrus, Xyleborus, etc, that bore tunnels into solid wood, feeding on fungi growing in the tunnels: family Scolytidae (bark beetles)
- ambrosian chant — the liturgical chant, established by Saint Ambrose, characterized by ornamented, often antiphonal, singing.
- ambulance nurse — a nurse who works as part of an ambulance crew
- ambulance train — a train designed to carry sick or injured people
- ambulatory care — care given at a hospital to non-resident patients, including minor surgery and outpatient treatment
- amegakaryocytic — Characterized by a lack of megakaryocytes.
- america firster — a member or supporter of the America First Committee.
- american beauty — a variety of hybrid, perennial red rose
- american blight — any plant louse of the family Aphididae, characterized by a waxy secretion that appears like a jumbled mass of fine, curly, white cottony or woolly threads, as Eriosoma lanigerum (woolly apple aphid or American blight) and Prociphilus tessellatus (woolly alder aphid)
- american cheese — a type of smooth hard white or yellow cheese similar to a mild Cheddar
- american copper — a malleable, ductile, metallic element having a characteristic reddish-brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; atomic weight: 63.54; atomic number: 29; specific gravity: 8.92 at 20°C.
- american cotton — upland cotton.
- american empire — a style of American furniture making and related crafts from c1815 to c1840, corresponding to the French Empire and late English Regency styles.
- american gothic — a painting (1930) by Grant Wood.
- american indian — American Indian people or things belong to or come from one of the native peoples of America.
- american ipecac — a plant, Gillenia stipulata, of the rose family, of the eastern coast of the U.S., having white flowers on long stalks.
- american league — one of the two major professional U.S. baseball leagues, established in 1900. Abbreviation: A.L.
- american legion — an association of former member of the US armed forces
- 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.
- american marten — pine marten (def 2).
- american smooth — a style of competitive ballroom dancing which incorporates elements of Latin dance
- american wigeon — a bird of North America, Anas americana, that is similar to the wigeon; the male has a white crown
- americanization — Americanization is the process by which people or countries become more and more similar to Americans and the United States.