Look up: Eratosthenes

1. Eratosthenes
   [n] - Greek mathematician and astronomer who estimated the circumference of the earth and the distances to the moon and sun (276-194 BC)
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. Eratosthenes
   Around 230BC developed a method for finding all prime numbers. See also: Prime Numbers.
   Found on http://www.diracdelta.co.uk/science/sour
   
   
3. Eratosthenes
   noun Greek mathematician and astronomer who estimated the circumference of the earth and the distances to the moon and sun (276-194 BC)
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
4. Eratosthenes
   Eratosthenes was an ancient Greek geographer and mathematician. He was born in 276 BC at Cyrene, in Africa and died in 194 BC. He was librarian at Alexandria, and gained his greatest renown by his investigations of the size of the earth. He rendered much service to the science of astronomy, and firs...
   Found on http://www.probertencyclopaedia.com/brow
   
   
5. Eratosthenes
   Eratosthenes (erutos'thunēz) , c.275–c.195 B.C., Greek scholar, b. Cyrene. A pupil of Callimachus in Athens, he became (c.240 B.C.) head of the library at Alexandria. Known for his versatility, he wrote poetry and works (most of them lost) on literature, the theater (notably on ancie...
   Found on http://www.infoplease.com/ce6/people/A08
   
   
6. Eratosthenes
   Greek geographer and mathematician whose map of the ancient world was the first to contain lines of latitude and longitude, and who calculated the Earth's circumference with an error of about 10%. His mathematical achievements include a method for duplicating the cube, and for finding prime numbers (Eratosthenes' sieve). No work of Erat...
   Found on http://www.talktalk.co.uk/reference/ency
   
   
7. Eratosthenes
   `Eratosthenes of c. 276 BC-->) since he is unlikely to have studied under him at the young age of 14. However, γνωριμος can also mean "acquaintance," and the year of Zeno`s death is by no means definite. Cf. Eratosthenes entry in the Dictionary of Scient...
   Found on http://en.wikipedia.org/wiki/Eratosthene
   
   
8. Eratosthenes
   (crater) `Eratosthenes` is a relatively deep lunar impact crater that lies on the boundary between the Mare Imbrium and Sinus Aestuum mare regions. It forms the western terminus of the Montes Apenninus mountain range. The crater has a well-defined circular rim, terraced inner wall, central mo...
   Found on http://en.wikipedia.org/wiki/Eratosthene
   
   
9. Eratosthenes
   (statesman) `Eratosthenes of Athens` was one of the Thirty Tyrants elected to rule the city of Athens after the Peloponnesian War (431-404 BC). Having lost the war to the Spartans, the citizens of Athens elected thirty men as oligarchs. These Thirty instituted oppressive and highly exclusiona...
   Found on http://en.wikipedia.org/wiki/Eratosthene