| AtlasAtlas has several meanings Atlas (mythology), the Titan of Greek mythology. Atlas (moon), a moon of Saturn. Atlas (crater), on the Earth's moon. Atlas (star), a star in the Pleiades star cluster. Atlas (cartography), the collection of maps. Atlas (anatomy | Attila the HunFor other uses, see Attila (disambiguation). Huns, led by Attila (right, foreground), ride into Italy. Attila the Hun (c. 406 453), last and most powerful king of the European Huns, reigned from 434 until his death over what was then Europe's largest empi | AtheismAtheist" redirects here. For the music group, see Atheist (band). Atheism is the condition of lacking theistic belief. Etymology The term atheism (French atheisme from athee meaning atheist, from Greek atheos, meaning godless : a-, without; + , theos, mea |
| AtomFor alternative meanings see atom (disambiguation). An atom is a microscopic structure found in all ordinary matter around us. Atoms are composed of 3 types of subatomic particles: electrons, which have a negative charge; protons, which have a positive ch | AtaxiaAtaxia is unsteady and clumsy motion of the limbs or trunk due to a failure of the fine coordination of muscle movements. The cerebellum is the center of the fine coordination of muscle movements, while the information emerging from it is carried to the m | Atlantic (disambiguation)The Atlantic is a major ocean in the world; see Atlantic Ocean and transatlantic. Atlantic is the name of a place in Canada Atlantic, Nova Scotia Atlantic is the name of some places in the United States of America: Atlantic, Iowa Atlantic, Pennsylvania At |
| AthenaThis article is about the goddess Athena. For other uses see Athena (disambiguation). Aegina Athena ( Phoenician Onga also transliterated as Athene the Greek goddess of wisdom, strategy, and war associated by the Romans with their Etruscan goddess Minerva | AtomicThe general meaning of "atomic" is "irreducible". That is, reduced to the smallest possible part. It has more specific meanings in several contexts: In chemistry, chemical atoms are grouped by type in the periodic table and consist of particles as describ | Atomic physicsAtomic physics (or atom physics is physics of the electron hull of atoms. Lay people often associate the term atomic physics with nuclear power and nuclear bombs, obviously due to the synonymous use of atomic and nuclear in standard English. However, phys |
