7-letter words starting with a
- archean — designating or of the geologic eon characterized by the development of the first igneous and metamorphic rocks and the first marine microorganisms; Precambrian, esp. early Precambrian
- archeo- — archaeo-
- archers — Plural form of archer.
- archery — Archery is a sport in which people shoot arrows at a target using a bow.
- archest — Superlative form of arch.
- archeus — the spirit or force which Paracelsians believed dwelt in, and presided over, all living things
- archfoe — Archenemy.
- archine — a Russian unit of length equal to about 71 cm
- arching — forming an arch
- archit. — architecture
- archive — The archive or archives are a collection of documents and records that contain historical information. You can also use archives to refer to the place where archives are stored.
- archlet — a small arch
- archons — Plural form of archon Chief magistrates of ancient Athens.
- archsee — archbishopric.
- archway — An archway is a passage or entrance that has a curved roof.
- arcking — a present participle of arc.
- arcsech — (mathematics) The inverse hyberbolic secant function.
- arcsecs — Plural form of arcsec.
- arcsine — the function the value of which for a given argument between –1 and 1 is the angle in radians (between –π/2 and π/2), the sine of which is that argument: the inverse of the sine function
- arctics — high, warm, waterproof overshoes, usually with buckles
- arctiid — any moth of the family Arctiidae, which includes the footman, ermine, and tiger moths
- arctoid — similar to a bear
- arcuate — shaped or bent like an arc or bow
- ardabil — city in NW Iran, near the Caspian Sea: pop. 311,000
- ardebil — a town in NW Iran, near the Caspian Sea.
- ardeche — a department of S France, in Rhône-Alpes region. Capital: Privas. Pop: 294 933 (2003 est). Area: 5556 sq km (2167 sq miles)
- ardella — a female given name.
- ardency — having, expressive of, or characterized by intense feeling; passionate; fervent: an ardent vow; ardent love.
- ardmore — a city in S Oklahoma.
- ardours — Plural form of ardour.
- arduous — Something that is arduous is difficult and tiring, and involves a lot of effort.
- areally — from an areal point of view
- areaway — a passageway between parts of a building or between different buildings
- arecibo — seaport in N Puerto Rico: pop. 100,000
- arenite — any arenaceous rock; a sandstone
- arenose — sandy
- arenous — sandy
- arensky — Anton Stepanovich [uhn-tawn styi-pah-nuh-vyich] /ʌnˈtɔn styɪˈpɑ nə vyɪtʃ/ (Show IPA), 1861–1906, Russian composer.
- areolae — a ring of color, as around the human nipple.
- areolar — a ring of color, as around the human nipple.
- areolas — a ring of color, as around the human nipple.
- areoles — Plural form of areola.
- areolet — (zoology) A small enclosed area, especially one of the small spaces on the wings of insects, circumscribed by the veins.
- aretino — Pietro (ˈpjɛːtro). 1492–1556, Italian satirist, poet, and dramatist, noted for his satirical attacks on leading political figures
- argalis — Plural form of argali.
- argasid — any of the numerous ticks of the family Argasidae, comprising the soft ticks.
- arghool — an Arabian wind instrument of the oboe family, consisting of two pipes, one of which is a drone.
- argolis — a department and ancient region of Greece, in the NE Peloponnese. Capital: Nauplion. Pop: 102 392 (2001). Area: 2261 sq km (873 sq miles)
- argonne — wooded region in NE France, near the Belgian border
- argotic — a specialized idiomatic vocabulary peculiar to a particular class or group of people, especially that of an underworld group, devised for private communication and identification: a Restoration play rich in thieves' argot.