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Eratosthenes

Definition:

Greek mathematician and astronomer who estimated the circumference of the earth and the distances to the Moon and sun (born: 276 BC – died: 194 BC)

Class:

person noun (people)

Original source:

Princeton WordNet

Definition references  (+images)

Wikipedia:

Eratosthenes | Eratosthenes of Cyrene
(Born: 276 BC, Cyrene – Died: 194 BC, Alexandria)

a Greek mathematician, geographer, poet, astronomer, and music theorist. He was the first person to use the word "geography" in Greek and he invented the discipline of geography as we understand it. He invented a system of latitude and longitude. He... (41 of 3039 words, pronunciation, 4 images)

en​.wikipedia​.org​/wiki​/Eratosthenes

Collins Dictionary:

Eratosthenes
(Born: about 276 BC – Died: about 194 BC)

Greek mathematician and astronomer, who calculated the circumference of the earth by observing the angle of the sun's rays at different places (22 of 300 words, 2 usage examples, pronunciation)

www​.collinsdictionary​.com​/dictionary​/english​/eratosthenes

Columbia Encyclopedia:

Eratosthenes
(Born: about 275 BC – Died: about 195 BC)

Greek scholar, born: Cyrene. A pupil of Callimachus in Athens, he became (about 240 BC) head of the library at Alexandria. Known for his versatility, ... (25 of 98 words, pronunciation)

www​.infoplease​.com​/ce​6​/people​/A​0817552​.html

Oxford Dictionary:

Eratosthenes

(about 275-194 BC) , Greek scholar, geographer, and astronomer. The first systematic geographer of antiquity, he accurately calculated the ... (19 of 57 words, pronunciation)

oxforddictionaries​.com​/definition​/english​/Eratosthenes

American Heritage Dictionary:

Eratosthenes

Greek mathematician, astronomer, and geographer who devised a map of the world, estimated the circumference of the earth and the distance to the moon ... (24 of 40 words, pronunciation)

www​.yourdictionary​.com​/eratosthenes

Random House Dictionary:

Eratosthenes
(Born: about 276 BC – Died: about 195 BC)

Greek mathematician and astronomer at Alexandria. (6 of 14 words, pronunciation)

dictionary​.infoplease​.com​/eratosthenes

Merriam-Webster:

Eratosthenes

about 276-about 194 BC Greek astronomer (6 of 13 words, pronunciation)

www​.merriam-webster​.com​/dictionary​/eratosthenes

New World Dictionary:

Eratosthenes
(Born: about 275 BC – Died: about 195 BC)

Greek geographer, astronomer, & mathematician (5 of 11 words, pronunciation)

www​.yourdictionary​.com​/eratosthenes

Macmillan British Dictionary:

mathematician [countable] | mathematicians [plural]

someone who studies or teaches mathematics (6 of 31 words, pronunciation)

www​.macmillandictionary​.com​/dictionary​/british​/mathematician

Cambridge Dictionary:

mathematician

someone who studies, teaches or is an expert in mathematics (10 of 15 words, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/mathematician

Wiktionary:

mathematician | mathematicians [plural] | mathematitian [obsolete]

An expert on mathematics. (4 of 11 words, pronunciation)

en​.wiktionary​.org​/wiki​/mathematician

Britannica Encyclopedia:

stargazer [fish]

fish of two related families, Uranoscopidae and Dactyloscopidae, both of the order Perciformes. Stargazers habitually bury themselves in the bottom. ... (20 of 137 words)

www​.britannica​.com​/E​Bchecked​/topic​/563629​/stargazer

Encarta Dictionary:

Eratosthenes

prominent deep crater on the Moon with a distinctive central peak, located at the southern edge of Mare Imbrium, 58 km (36 mi) in diameter (25 of 32 words, pronunciation)

encarta​.msn​.com​/dictionary 1861739336​/definition​.html  [offline]

Audio references

Collins Dictionary:

Eratosthenes

Audio: British English pronunciation of "Eratosthenes"

www​.collinsdictionary​.com​/dictionary​/english​/eratosthenes

the Free Dictionary:

Eratosthenes

Audio 1: British English pronunciation of "Eratosthenes"

Audio 2: North American English pronunciation of "Eratosthenes" by speech synthesizer

www​.thefreedictionary​.com​/Eratosthenes

Merriam-Webster Pronunciation:

Eratosthenes

Audio: North American pronunciation of "Eratosthenes"

www​.merriam-webster​.com​/audio​.php file=bixera​03 word=Eratosthenes

YourDictionary Audio:

Eratosthenes

Audio: North American English pronunciation of "Eratosthenes" by speech synthesizer

www​.yourdictionary​.com​/eratosthenes

Page last updated: 2013-06-26

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