Definition of Eratosthenes in English:

Eratosthenes

Syllabification: Er·a·tos·the·nes
Pronunciation: /ˌerəˈtäsTHənēz
 
/
( Circa 275–194 bc), Greek scholar, geographer, and astronomer. The first systematic geographer of antiquity, he accurately calculated the circumference of the earth.

Definition of Eratosthenes in:

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Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal