15-letter words containing a, r, n, t
- afternoon watch — the watch from noon until 4 p.m.
- agranulocytosis — a serious and sometimes fatal illness characterized by a marked reduction of leucocytes, usually caused by hypersensitivity to certain drugs
- agro-industrial — the large-scale production, processing, and packaging of food using modern equipment and methods.
- agulhas current — a fast, warm ocean current flowing southwest along the SE coast of Africa
- air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
- air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
- airborne attack — an attack involving airborne troops
- airconditioning — Alternative spelling of air conditioning.
- aircraft hangar — a large workshop or building for storing and maintaining aircraft
- airmail edition — an edition of a newspaper that is printed on very thin paper so it is easier and cheaper to distribute
- alan f. shugart — (person) The man who founded Shugart Associates and later co-founded Seagate Technology. Alan Shugart left Shugart Associates in 1974 [did he quit or was he fired?] and took a break from the disk-drive business. In 1979, he and Finis Conner founded a new company that at first was called Shugart Technology and later Seagate Technology.
- albertus magnus — Saint. original name Albert, Count von Böllstadt. ?1193–1280, German scholastic philosopher; teacher of Thomas Aquinas and commentator on Aristotle. Feast day: Nov 15
- alder buckthorn — a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits
- alexandrine rat — roof rat.
- algerian stripe — a fabric woven with alternate stripes of coarse cotton and silk, usually cream-colored.
- alignment chart — nomogram.
- alkylating drug — any of various potentially cytotoxic, carcinogenic, and mutagenic substances: used therapeutically to destroy cells, especially proliferating cancer cells.
- allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
- allotransplants — Plural form of allotransplant.
- allyl mercaptan — a colorless liquid, C 3 H 6 S, having a strong, garlicky odor, used in the manufacture of pharmaceuticals.
- almirante brown — a city in E Argentina, near Buenos Aires.
- 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
- 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.
- 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.
- 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.
- ambrosian chant — the liturgical chant, established by Saint Ambrose, characterized by ornamented, often antiphonal, singing.
- ambulance train — a train designed to carry sick or injured people
- 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 cotton — upland cotton.
- american gothic — a painting (1930) by Grant Wood.
- american marten — pine marten (def 2).
- american smooth — a style of competitive ballroom dancing which incorporates elements of Latin dance
- americanization — Americanization is the process by which people or countries become more and more similar to Americans and the United States.
- americanologist — a foreign expert or specialist in American cultural or political matters: a leading Americanologist in the Kremlin.
- amyl propionate — a colorless liquid, C 8 H 16 O 2 , having an applelike odor, used chiefly as a scent in the manufacture of flavorings and perfume.
- an axe to grind — an ulterior motive
- anacostia river — a river in the District of Columbia flowing into the Potomac River. about 24 miles (39 km) long.
- anagrammatizing — Present participle of anagrammatize.
- analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
- anchorage point — a point to which something such as the straps securing a childseat can be safely attached
- ancient history — Ancient history is the history of ancient civilizations, especially Greece and Rome.
- andrew of crete — a.d. c650–730, Greek poet and Orthodox archbishop of Crete.
- 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
- anfractuosities — Plural form of anfractuosity.
- angel's-trumpet — any of several plants belonging to the genera Brugmansia and Datura, of the nightshade family, having large, trumpet-shaped flowers in a variety of colors.
- angina pectoris — a sudden intense pain in the chest, often accompanied by feelings of suffocation, caused by momentary lack of adequate blood supply to the heart muscle
- angustirostrate — having a narrow, beak-like part