epsilon

noun
ep·​si·​lon | \ ˈep-sə-ˌlän How to pronounce epsilon (audio) , -lən \

Definition of epsilon

1 : the 5th letter of the Greek alphabet — see Alphabet Table
2 : an arbitrarily small positive quantity in mathematical analysis

Other Words from epsilon

epsilonic \ ˌep-​sə-​ˈlä-​nik How to pronounce epsilon (audio) \ adjective

First Known Use of epsilon

15th century, in the meaning defined at sense 1

History and Etymology for epsilon

Greek e psilon, literally, simple e

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The first known use of epsilon was in the 15th century

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Dictionary Entries Near epsilon

EPs

epsilon

Epsilon Ursae Majoris

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Cite this Entry

“Epsilon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epsilon. Accessed 20 May. 2022.

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More from Merriam-Webster on epsilon

Britannica.com: Encyclopedia article about epsilon

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