There are 2 definitions of Aristarchus in English:

Aristarchus1

Line breaks: Ar¦is|tar¦chus
Pronunciation: /ˌarɪˈstɑːkəs
 
/
( 3rd century bc), Greek astronomer; known as Aristarchus of Samos. Founder of an important school of Hellenic astronomy, he was aware of the rotation of the earth around the sun and so was able to account for the seasons.

Definition of Aristarchus in:

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Word of the day hubris
Pronunciation: ˈhjuːbrɪs
noun
excessive pride or self-confidence

There are 2 definitions of Aristarchus in English:

Aristarchus2

Line breaks: Ar¦is|tar¦chus
Pronunciation: /ˌarɪˈstɑːkəs
 
/
( Circa 217–145 bc), Greek scholar; known as Aristarchus of Samothrace. The librarian at Alexandria, he is noted for his editions of the writings of Homer and other Greek authors.

Definition of Aristarchus in:

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Word of the day hubris
Pronunciation: ˈhjuːbrɪs
noun
excessive pride or self-confidence