7-letter words starting with a
- aquabis — (chemistry, in combination) Containing two molecules of water as a ligand.
- aquafer — Alternative form of aquifer.
- aquafit — a series of aerobic exercises done in water
- aquaria — a glass-sided tank, bowl, or the like, in which fish or other living aquatic animals or plants are kept.
- aquated — (chemistry) That is associated with water, especially in the form of a complex.
- aquatic — An aquatic animal or plant lives or grows on or in water.
- aquavit — a grain- or potato-based spirit from the Scandinavian countries, flavoured with aromatic seeds and spices, esp caraway
- aqueous — In chemistry, an aqueous solution or cream has water as its base.
- aquifer — In geology, an aquifer is an area of rock underneath the surface of the earth which absorbs and holds water.
- aquilon — the north wind
- aquinas — Saint Thomas. 1225–74, Italian theologian, scholastic philosopher, and Dominican friar, whose works include Summa contra Gentiles (1259–64) and Summa Theologiae (1267–73), the first attempt at a comprehensive theological system. Feast day: Jan 28
- aquiver — quivering
- arabian — Arabian means belonging or relating to Arabia, especially to Saudi Arabia.
- arabica — a high-quality coffee bean obtained from the tree Coffea arabica
- arabist — An Arabist is a person who supports Arab interests or knows a lot about the Arabic language.
- arabize — to transfer to Arab control
- aracaju — a port in E Brazil, capital of Sergipe state. Pop: 701 000 (2005 est)
- aracari — any of several small toucans of the genus Pteroglossus, having strongly serrate bills and yellow underparts marked with black and red.
- arachis — any of various plants native to South America and belonging to the genus Arachis of the family Fabaceae, the most famous of which is the peanut (Arachis hypogaea)
- arachne — a maiden changed into a spider for having presumptuously challenged Athena to a weaving contest
- aragats — extinct volcano in NW Armenia: 13,435 ft (4,095 m)
- araised — Simple past tense and past participle of araise.
- aralias — Plural form of aralia.
- aramaic — an ancient language of the Middle East, still spoken in parts of Syria and the Lebanon, belonging to the NW Semitic subfamily of the Afro-Asiatic family. Originally the speech of Aram, in the 5th century bc it spread to become the lingua franca of the Persian empire
- aramean — a Semite of the division associated with Aram.
- araneid — any of numerous arachnids constituting the order Araneae (or Araneida), which comprises the spiders
- arapaho — a member of a North American Indian people of the Plains, now living chiefly in Oklahoma and Wyoming
- arapesh — a member of a Papuan people of Papua New Guinea.
- arariba — Any of the trees of three species in the genus Centrolobium (family Fabaceae), especially, a Brazilian tree (Centrolobium robustum) -- called also zebrawood.
- araroba — a Brazilian leguminous tree, Andira araroba
- aration — (obsolete, agriculture) ploughing, tillage.
- arausio — a town in SE France: a small principality in the Middle Ages, the descendants of which formed the House of Orange. Pop: 27 989 (1999)
- arbiter — An arbiter is a person or institution that judges and settles a quarrel between two other people or groups.
- arbored — having an arbor, or bower
- arbores — Plural form of arbor.
- arboret — an area planted with shrubs
- arborio — a variety of cultivated short-grain rice with a high starch content: used especially for risotto.
- arbours — Plural form of arbour.
- arbutus — any of several temperate ericaceous shrubs of the genus Arbutus, esp the strawberry tree of S Europe. They have clusters of white or pinkish flowers, broad evergreen leaves, and strawberry-like berries
- arcaded — decorated with an arcade: an arcaded entryway.
- arcades — Plural form of arcade.
- arcadia — a department of Greece, in the central Peloponnese. Capital: Tripolis. Pop: 91 326 (2001). Area: 4367 sq km (1686 sq miles)
- arcadic — of or relating to the Arcadians or to their dialect of Ancient Greek
- arcanum — a profound secret or mystery known only to initiates
- arccoth — (mathematics) The area hyberbolic cotangent function, i.e., the inverse hyperbolic cotangent function.
- arcella — a genus of freshwater, ameboid protozoa that secrete a hard, umbrellalike shell having a single opening through which the pseudopodia extend.
- arcform — noting a type of cargo-ship construction in which the sides have the form of arcs so drawn that the greatest breadth is at load waterline, the purpose being to promote the flow of water to the propeller with an easy bilge and without loss of capacity.
- archaea — an order of prokaryotic microorganisms
- archaic — Archaic means extremely old or extremely old-fashioned.
- archbsd — (operating system) 4.4 BSD-Lite for the Acorn Archimedes.