15-letter words starting with a
- alcohol content — the amount of alcohol that is present in an alcoholic drink
- aldabra islands — a group of four large and forty smaller islands in the Indian Ocean, part of the Republic of Seychelles. 59 sq. mi. (154 sq. km).
- alder buckthorn — a Eurasian rhamnaceous shrub, Frangula alnus, with small greenish flowers and black berry-like fruits
- alexandrine rat — roof rat.
- alexandroupolis — a port in NE Greece, in W Thrace. Pop: 52 720 (2001 est)
- alfred e. smith — Adam, 1723–90, Scottish economist.
- algaroth powder — antimony oxychloride.
- algebra of sets — a nonempty collection of sets having the property that the union of two sets of the collection is a set of the collection and the complement of each set of the collection is a set in the collection.
- algerian stripe — a fabric woven with alternate stripes of coarse cotton and silk, usually cream-colored.
- algorithmically — Using an algorithm.
- alignment chart — nomogram.
- alkylating drug — any of various potentially cytotoxic, carcinogenic, and mutagenic substances: used therapeutically to destroy cells, especially proliferating cancer cells.
- all mockered up — dressed up
- all of a doodah — excited; agitated
- all of a sudden — If something happens all of a sudden, it happens quickly and unexpectedly.
- 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-or-none law — the principle that under given conditions the response of a nerve or muscle fiber to a stimulus at any strength above the threshold is the same: the muscle or nerve responds completely or not at all.
- all-risk policy — An all-risk policy is an insurance policy that covers all loss or damage however it is caused, apart from any stated exceptions.
- 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
- 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.
- allegoricalness — the quality of being allegorical
- allelochemicals — Plural form of allelochemical.
- allemande sauce — a velouté thickened and enriched with egg yolk.
- allende gossens — Salvador, 1908–73, Chilean political leader: president 1970–73.
- 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
- alluvial mining — a method of extracting minerals by dredging alluvial deposits
- 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 and omega — the first and last, a phrase used in Revelation 1:8 to signify God's eternity
- alpha axp 21164 — (processor) A 1 GIPS version of the DEC Alpha processor. The first commercially available sequential 1 GIPS processor. Announced 1994-09-7.
- 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
- alpha-cellulose — a refined, insoluble form of cellulose derived from cotton or wood pulp, and used in manufacturing
- 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
- alpine combined — a competition for Alpine skiers in a combination of downhill and slalom races, the winner having the highest total score.
- 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.
- altai mountains — a mountain system of central Asia, in W Mongolia, W China, and S Russia. Highest peak: Belukha, 4506 m (14 783 ft)
- altar of repose — a pedestal or niche upon which the sacraments are preserved from Maundy Thursday to Good Friday.