15-letter words containing a, t, l, n
- all saints' day — a Christian festival celebrated on Nov 1 to honour all the saints
- all-flying tail — a type of aircraft tailplane in which the whole of the tailplane is moved for control purposes
- all-you-can-eat — An all-you-can-eat buffet or restaurant is a buffet or restaurant at which you pay a fixed price, no matter how much or how little you eat.
- 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
- alphabetisation — The act or process of arranging in alphabetical order.
- alphabetization — Alternative form of alphabetisation.
- 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.
- altai mountains — a mountain system of central Asia, in W Mongolia, W China, and S Russia. Highest peak: Belukha, 4506 m (14 783 ft)
- alte pinakothek — a museum in Munich housing a collection of paintings dating from the Middle Ages to the late 18th century
- alternativeness — The state of being alternative or representing alternatives.
- aluminosilicate — a silicate in which some of the silicon in the tetrahedral unit SiO4 has been replaced by aluminium
- 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.
- ambulance train — a train designed to carry sick or injured people
- 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)
- americanologist — a foreign expert or specialist in American cultural or political matters: a leading Americanologist in the Kremlin.
- ammunition belt — a belt for carrying ammunition
- ammunition clip — a device for storing rounds of ammunition and feeding them into a weapon
- 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.
- anacoluthically — in an anacoluthic manner
- anaesthesiology — the science of administering anesthetics.
- anaesthetically — by means of an anaesthetic
- 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
- ancylostomiasis — infestation of the human intestine with blood-sucking hookworms, causing progressive anaemia
- andes lightning — an electrical discharge of the corona type, occurring over mountains when the atmosphere is electrically disturbed.
- 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.
- angle of attack — the acute angle between the chord line of an aerofoil and the undisturbed relative airflow
- anisotropically — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
- ankylostomiasis — ancylostomiasis
- annihilationism — the teaching or principle that trespassers and evildoers are completely destroyed rather than made to suffer in hell after death
- annihilationist — A person who believes that eternal punishment is the annihilation of both the body and the soul.
- anomalistically — In an anomalistic manner; with irregularity.
- antarctic plate — a major tectonic division of the earth's crust, comprising Antarctica and adjacent ocean basins (the South Indian, Southeast Pacific, and Atlantic-Indian basins) and bounded on the north by the Nazca, South American, African, Indo-Australian, and Pacific plates.
- antenatal class — a class that women attend when they are pregnant to learn how to stay healthy, cope with the birth, look after the newborn baby etc
- antepenultimate — third from last
- anthropobiology — the biological study of the human species
- anthropological — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anthropologists — Plural form of anthropologist.
- anti-allergenic — not aggravating an allergy; intended or prepared for those suffering from an allergy: antiallergenic cosmetics.
- anti-capitalism — an economic system in which investment in and ownership of the means of production, distribution, and exchange of wealth is made and maintained chiefly by private individuals or corporations, especially as contrasted to cooperatively or state-owned means of wealth.
- anti-commercial — of, relating to, or characteristic of commerce.
- anti-federalism — U.S. History. a member or supporter of the Antifederal party.
- anti-globalizer — a political activist who challenges the concept of globalization and promotes practices that do not cause environmental damage
- anti-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- anti-liberalism — the quality or state of being liberal, as in behavior or attitude.