from The American Heritage® Dictionary of the English Language, 4th Edition
- Eratosthenes Third century B.C. Greek mathematician, astronomer, and geographer who devised a map of the world, estimated the circumference of the earth and the distance to the moon and the sun, and constructed a method for finding prime numbers.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. Greek mathematician and astronomer who estimated the circumference of the earth and the distances to the Moon and sun (276-194 BC)
Sorry, no etymologies found.